FC980C: refactor and Configurator update

- fc980c.h
  - updated to #pragma once method
  - layout macro visual alignment
- info.json
  - fixed JSON ordering (keys were being assigned out-of-order)
- default keymap
  - visual alignment
  - deleted unused fn_actions block

Keymap: A Planck style keymap with iris flair (#4677)

* A Planck style keymap with iris flair

 - Re-arrange layers to be more planck like.
 - move backspace to right thumb
 - replace backspace with minus, more useful for coding
 - replace center keys with brackets
 - MT(MOD_LCTRL and ESCAPE)
 - Use QMK-DFU for bootloader
   - add a soft reset to keymap

* Feedback from reviewers

 - remove redundant define (noroadsleft)
 - remove unused layer switch case (drashna)

Keymap: @mattly's planck layout (#4678)

Keymap: Changed to use LAYOUT_kc() macro instead of LAYOUT() macro for easy maintenance. (#4676)

Keyboard: Initial commit of WT8-A implementation (#4674)

Keyboard: Adding ortho60 to handwired (#4672)

* Adding ortho60 to handwired

* update to use LAYOUT_ortho_5x12

* Address PR comments about layout macros

* Add default layout to info.json for configurator

* Hack to xyverz layout until RGB branch is merged

* Fix undef RGBDIPIN in xyverz 12x5 layout

* Revert change to xvyerz's layout

* Fix typo

* Fix order

* Revert xyverz rules.mk

EKeyboard: ErgoInu Configurator fix (#4665)

* ErgoInu: Configurator update, part 1

Give each key its own line to make the file easier to debug.

* ErgoInu: Configurator update, part 2

- converted all JSON variables to lowercase (this was the bugfix)
- converted Tabs to Spaces

* ErgoInu: Configurator update, part 3

- break key data into chunks

* ErgoInu: Configurator update, part 4

Rebuilt the layout tree into a new file, taking the Y values from the original data. Copied relevant data from original file into the new file, and then overwrote the original file.

Cospad Configurator and readme update (#4663)

* Cospad: Configurator update

- added LAYOUT_gamepad_6x4 data
  - renders as 4 rows by 6 columns visually
- fixed LAYOUT_numpad_6x4 data
  - JSON objects were in the wrong order

* Cospad: readme update

- markdown formatting fixes
- made Hardware Availability address a hyperlink
- updated Docs links

Ergo42: Configurator patch (#4664)

Wasn't rendering in Configurator as intended. Updated JSON data to use alias name instead of macro name.

Per Key Leader Timing Option (#4026)

* leader changes to enable per key timing option

* Changes requested to docs for @drashna

* Changes requested by @drashna

converter/xt_usb: Configurator support (#4657)

Configurator support for Sun Type 3 and Type 5 USB converters (#4656)

* Sun Type 3 USB converter: Configurator support

* Sun Type 5 USB converter: Configurator support

converter/palm_usb/stowaway: Configurator support (#4655)

converter/ibm_5291: Configurator support and readme cleanup (#4654)

* converter/ibm_5291: Configurator support

- added layout data to info.json file
- corrected keyboard_folder value

* converter/ibm_5291: readme cleanup

- Fixed "image" url (target of link was a web page; changed markdown formatting to text link)
- Sentence capitalization fixes
- markdown formatting fixes for readability

Keyboard: Chimera Ortho refactor (#4652)

* Layout macro refactor

- Renamed KC_KEYMAP to LAYOUT_kc
- Renamed KEYMAP to LAYOUT
- moved LAYOUT above LAYOUT_kc (Hoping this encourages users to use LAYOUT.)
- updated layout macro name in info.json
- white space changes for readability

* Keymap refactor: default

Default keymap now uses `#include QMK_KEYBOARD_H` and LAYOUT macro (from KC_KEYMAP/LAYOUT_kc). Keymap was also refactored to use process_record_user function instead of deprecated action_get_macro from TMK.

Also moved LONGPRESS_DELAY and LAYER_TOGGLE_DELAY definitions to config.h.

* Keymap refactor: dcompact

- Changed chimera_ortho.h include for QMK_KEYBOARD_H
- Updated layout name on keymap layers

* Coding conventions fix in default keymap

* Keymap refactor: gordon

- Changed chimera_ortho.h include for QMK_KEYBOARD_H
- Removed redundant includes of action_layer.h and process_tap_dance.h (superseded by QMK_KEYBOARD_H)
- Removed redundant definitions for KC_NO and KC_TRNS
- Updated layout name on keymap layers

Refactor quantum/split_common/i2c.c, quantum/split_common/serial.c (#4522)

* add temporary compile test shell script

* Extended support of SKIP_VERSION to make invariant compile results during testing.

* build_keyboard.mk, tmk_core/rules.mk: add LIB_SRC, QUANTUM_LIB_SRC support

Support compiled object enclosed in library.

e.g.
```
LIB_SRC += xxxx.c
xxxx.c --> xxxx.o ---> xxxx.a
```

* remove 'ifdef/ifndef USE_I2C' from quantum/split_common/{i2c|serial}.c

* add SKIP_DEBUG_INFO into tmk_core/rules.mk

When SKIP_DEBUG_INFO=yes is specified, do not use the -g option at compile time.

* tmk_core/rules.mk: Library object need -fno-lto

* add SKIP_DEBUG_INFO=yes

* remove temporary compile test shell script

* add '#define SOFT_SERIAL_PIN D0' to keyboards/lets_split/rev?/config.h

* quantum/split_common/serial.c: Changed not to use USE_I2C.

Comet46: Configurator support

Add left/right EEPROM flashing for DFU (#4560)

Fix keymap build to send over remote desktop correctly. (#4651)

Keyboard: Bpiphany Pegasus Hoof Refactor, Configurator support (#4649)

* Pegasus Hoof: layout macro refactor

- Renamed KEYMAP to LAYOUT
- Added LAYOUT_tkl_ansi macro
- white space changes (changed tabs for 2 spaces)

* Pegasus Hoof: keymap refactor

- updated layout macro names
- changed to #include QMK_KEYBOARD_H
- removed redundant KC_TRNS definitions
- white space changes (changed tabs to spaces)
- removed deprecated build script instructions from rules.mk files
- updated config.h to #pragma once

* Pegasus Hoof: Configurator support

* Pegasus Hoof: readme cleanup

- Reformat header and description paragraph
- Fix Hardware Availability link (was 404)
- renamed filename to lowercase

* Pegasus Hoof: add LAYOUTS = tkl_ansi to rules.mk

* Pegasus Hoof: fix LAYOUT_tkl_jis macro