[Keyboard] Keychron Q1: Turn off RGB during PC suspend (#15685)

keyboards/keychron/q1/config.h

@@ -46,6 +46,9 @@
 /* NKRO */
 #define FORCE_NKRO
 
+/* Disable RGB lighting when PC is in suspend */
+#define RGB_DISABLE_WHEN_USB_SUSPENDED
+
 // RGB Matrix Animation modes. Explicitly enabled
 // For full list of effects, see:
 // https://docs.qmk.fm/#/feature_rgb_matrix?id=rgb-matrix-effects