Start mvoing hardware drivers to /drivers/ (#1433)

* start driver isolation

* update nyquist and orthodox boards

* update atreus62

* move drivers to avr

* update avr conditional

keyboards/handwired/promethium/rgbsps.c

@@ -1,4 +1,4 @@
-#include "light_ws2812.h"
+#include "ws2812.h"
 #include "rgbsps.h"
 
 struct cRGB led[RGBSPS_NUM];

keyboards/handwired/promethium/rules.mk

@@ -72,7 +72,7 @@ BLUETOOTH = AdafruitBLE
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
 
-SRC += $(QUANTUM_DIR)/light_ws2812.c
+SRC += ws2812.c
 SRC += rgbsps.c
-SRC += $(QUANTUM_DIR)/analog.c
+SRC += analog.c
 SRC += matrix.c