fix: pixel_rgb888_t ordering

fix: framebuffer offset in callback returning location

feat: allow skipping queue for larger memory moves

feat: allow reading larger packets without data loss

chore: move firmware to firmware/ folder

feat: implement application for receiving images

feat: implement dsi, ltdc, otm8009 display

chore: remove test sdram allocation

fix: systick delay

feat: vos0, system clock at 480 MHz

few minorities

chore: split main functions

fix: ability to change pll vcosel, disable pll outputs

feat: implement fmc sdram control

fix: unicode strings

feat: implement cdc application layer, fix enumeration

feat: implement enumeration fully

chore: update pin, exti, delay

docs: add documentation comments to most functions

feat: implement usb devicd cdc descriptors, init, setup