[Keyboard] fix mistakes in promise87 config (#17830)

keyboards/wuque/promise87/ansi/config.h

@@ -39,3 +39,17 @@
 
 #define LED_CAPS_LOCK_PIN F6
 #define LED_PIN_ON_STATE 0
+
+#define RGB_DI_PIN D2
+#ifdef RGB_DI_PIN
+    #define RGBLED_NUM 1
+    #define RGBLIGHT_HUE_STEP 8
+    #define RGBLIGHT_SAT_STEP 8
+    #define RGBLIGHT_VAL_STEP 8
+    #define RGBLIGHT_LIMIT_VAL 200 /* The maximum brightness level */
+    #define RGBLIGHT_SLEEP  /* If defined, the RGB lighting will be switched off when the host goes to sleep */
+/*======= RGB function=======*/
+#define RGBLIGHT_EFFECT_BREATHING
+#define RGBLIGHT_EFFECT_RAINBOW_MOOD
+#define RGBLIGHT_EFFECT_STATIC_GRADIENT
+#endif