Trinkeys: Clear neopixels on board reset

Author: ajsirota

ports/atmel-samd/boards/adafruit_proxlight_trinkey_m0/board.c

@@ -37,4 +37,5 @@ bool board_requests_safe_mode(void) {
 }
 
 void reset_board(void) {
+    board_reset_user_neopixels(&pin_PA15, 2);
 }

ports/atmel-samd/boards/adafruit_slide_trinkey_m0/board.c

@@ -37,4 +37,5 @@ bool board_requests_safe_mode(void) {
 }
 
 void reset_board(void) {
+    board_reset_user_neopixels(&pin_PA06, 2)
 }

ports/atmel-samd/boards/neopixel_trinkey_m0/board.c

@@ -37,4 +37,5 @@ bool board_requests_safe_mode(void) {
 }
 
 void reset_board(void) {
+    board_reset_user_neopixels(&pin_PA05, 4);
 }