Indicator led support for KBD8X (#3064)

* Support for indicator LEDs

* fixes for backlighting support

* more fixes

keyboards/kbd8x/kbd8x.c

@@ -39,5 +39,26 @@ bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
 void led_set_kb(uint8_t usb_led) {
 	// put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
 
+  if(usb_led & (1<<USB_LED_NUM_LOCK))
+    {
+        num_led_on();
+    } else {
+        num_led_off();
+    }
+
+    if(usb_led & (1<<USB_LED_CAPS_LOCK))
+    {
+        caps_led_on();
+    } else {
+        caps_led_off();
+    }
+
+    if(usb_led & (1<<USB_LED_SCROLL_LOCK))
+    {
+        scroll_led_on();
+    } else {
+        scroll_led_off();
+    }
+
 	led_set_user(usb_led);
 }