[Keymap] Cleanup of Drashna code (#7800)

* ifdef rgb stuff like a madman for RGB Coexistance

* Re-enable RGB Light on Planck

* fix RGB Coexistance issue

* Tweak feature settings for Ergodox EZ Glow

* Their powers combine, and I am Captain RGB

This one is for noroadsleft and yan.

* Limit brightness when both RGB features are enabled

* Change shutdown method

* Add RGB Coexistience stuff to keymap

* disable RGBLIGHT_SLEEP until a solution can be found

* Disable Unicode on the kyria

* Fix up Iris rev defines

* Fix up community layouts to compile properly

* Cleanup rgb stuff

* Merge ergodox keymaps

* Update CCCV macro to use tap_code16

* Enable Solenoid on C39

Because josh couldn't

* Enable RGB Light, not Matrix on rev6 keymap

* Only enable LTO on non-ARM boards

* Clean up Bootmagic OLED display

* Enable RGBLIGHT_SPLIT on kyria

Not that it does anything

* Add hotkey for discord

users/drashna/rules.mk

@@ -1,7 +1,9 @@
 SRC += drashna.c \
        process_records.c
 
-LTO_ENABLE            = yes
+ifneq ($(PLATFORM),CHIBIOS)
+    LTO_ENABLE            = yes
+endif
 SPACE_CADET_ENABLE    = no
 
 ifneq ($(strip $(NO_SECRETS)), yes)
@@ -58,4 +60,4 @@ endif
 # this should be handled per keyboard, but until that happens ...
 ifeq ($(strip $(PROTOCOL)), VUSB)
     NKRO_ENABLE       = no
-endif
+endif