Make sure Planck light calls user suspend functions (#3568)

* Make sure Planck light calls user suspend functions

* Add suspend.h include to quantum.h for kb/user function compatibility

quantum/quantum.h

@@ -53,6 +53,7 @@
 #include <stdlib.h>
 #include "print.h"
 #include "send_string_keycodes.h"
+#include "suspend.h"
 
 extern uint32_t default_layer_state;