Add stm32-dfu and apm32-dfu to bootloader.mk (qmk#11019)

* Add stm32-dfu and apm32-dfu to bootloader.mk

* Update flashing docs

* Update comment

* Further wordsmithing

Fix wrong key when "Music Map" is used with MAJOR_MODE. (qmk#11234)

With MAJOR_MODE (= major scale), keys in one octave is not 12 but 7.
To solve this problem, change divisor number from 12 to 7 at %(Modulo) and /(Division).

NOTE:
The last 12 represents half step keys in one octave for pitch calculation.

Fixup declaration for _kill, add other missing syscalls, populate err…

…no. (qmk#11608)

Add syscall fallbacks to ChibiOS builds (qmk#11573)

* Add fallback syscalls to ChibiOS builds that are present but able to be overridden as appropriate.

* Modified location to be ChibiOS-specific.

Add BGR byte order for WS2812 drivers (qmk#11562)

* add byte order bgr for ws2812

* update docs for driver change

* Update ws2812_driver.md

* Update docs/ws2812_driver.md

Co-authored-by: Ryan <[email protected]>

Co-authored-by: Ryan <[email protected]>

Adafruit BLE cleanups (qmk#11556)

arm_atsam: temporarily lower raw HID endpoint/report size (qmk#11554)

allow customizing decrease delay of rgb heatmap (qmk#11322)

* allow customizing decrease delay of rgb heatmap

* rename rgb typing heatmap decrease delay variable

* address review comments

* nix-shell: add clang-tools required for formatting the C code

* heatmap: use real timer to track decrement rate

* heatmap: fix ifndef var name typo

* heatmap: add docs

* Update docs/feature_rgb_matrix.md

Co-authored-by: Drashna Jaelre <[email protected]>

Co-authored-by: Drashna Jaelre <[email protected]>

Exclude more keyboards from CI (qmk#11436)

* exclude all of handwired

* exclude more keyboards from CI

keymap_fr_ch: undef `CH_H` (qmk#11537)