Simplify more feature driver defines (#22090)

Set default board files for uf2boot bootloader (#22129)

Merge remote-tracking branch 'upstream/master' into develop

Document the RP2040-specific PS/2 implementation (#22079)

Co-authored-by: Dasky <32983009+daskygit@users.noreply.github.com>

Chibios SPI driver: allow some SPI pins to be left unassigned (#20315)

Co-authored-by: Sergey Vlasov <sigprof@gmail.com>
Co-authored-by: Nick Brassel <nick@tzarc.org>

[Enhancement] Improvements for debounce test coverage + bug fixes for sym_defer_g and sym_eager_pr (#21667)

Co-authored-by: Nebuleon <2391500+Nebuleon@users.noreply.github.com>

Reduce popping during audio initialization using the additive DAC (#21642)

Optimize the additive DAC code, fixing performance-related hangs (#21662)

Merge remote-tracking branch 'origin/master' into develop

Add missing gpio include to ps2 vendor (#22063)

Merge remote-tracking branch 'origin/master' into develop

Add missing gpio and chibios defs to uart.h (#22033)

Default wear leveling logical size to half backing (#22006)

chibios: mark boot2 bootlader data readonly (#21986)

Fixed WB32 MCU remote wakeup issue (#20863)

Co-authored-by: Joy <chang.li@westberrytech.com>

Remove 'Firmware size check does not yet support' message (#21977)

Add RTC IRQ Priority to RP2040 board files (#21926)

Clean up RGB LED type (#21859)

[Core] Allow customizing PWM frequency (#21717)

* [Core] Allow customizing PWM frequency

Some frequencies can cause audible noise. Changing the frequency
eliminates that.

Signed-off-by: Daniel Schaefer <dhs@frame.work>

* docs/feature-backlight: Mention PWM frequency

Signed-off-by: Daniel Schaefer <dhs@frame.work>

---------

Signed-off-by: Daniel Schaefer <dhs@frame.work>

Merge branch 'develop'