[keyboard] Binepad KnobX1 - refactor `x1_layer_led` function as weak (#25668)

refactor `x1_layer_led` function as weak

keyboards/binepad/knobx1/knobx1.c

@@ -9,6 +9,13 @@
 #    define X1_KEYMAP_LAYER_COUNT 4
 #endif
 
+__attribute__((weak)) void x1_layer_led(uint8_t lyr) {
+    gpio_write_pin(IND1_LED, lyr >= 0);
+    gpio_write_pin(IND2_LED, lyr >= 1);
+    gpio_write_pin(IND3_LED, lyr >= 2);
+    gpio_write_pin(IND4_LED, lyr >= 3);
+}
+
 void keyboard_pre_init_kb(void) {
     const pin_t indicator_leds[4] = {IND1_LED, IND2_LED, IND3_LED, IND4_LED};
     for (int i = 0; i < 4; i++) {

keyboards/binepad/knobx1/knobx1.h

@@ -38,12 +38,6 @@ static inline void x1_led_3_off(void) { gpio_write_pin_low(IND3_LED); }
 static inline void x1_led_4_off(void) { gpio_write_pin_low(IND4_LED); }
 // clang-format on
 
-static inline void x1_layer_led(uint8_t lyr) {
-    gpio_write_pin(IND1_LED, lyr >= 0);
-    gpio_write_pin(IND2_LED, lyr >= 1);
-    gpio_write_pin(IND3_LED, lyr >= 2);
-    gpio_write_pin(IND4_LED, lyr >= 3);
-}
-
+void x1_layer_led(uint8_t lyr);
 bool process_x1_layer_up(keyrecord_t *record);
 bool process_x1_layer_down(keyrecord_t *record);