Add LED-pad mapping

machine.h

@@ -59,6 +59,8 @@ typedef struct machine {
 	struct high_leds high_leds;
 	uint8_t port_led_set[9];
 	uint32_t led_sets[4][4];
+	uint8_t led_mux_custom;
+	uint8_t led_mux[28];
 };
 
 typedef struct machine_runtime
@@ -67,4 +69,6 @@ typedef struct machine_runtime
 	uint8_t isN : 1;
 };
 
+void machine_custom_init(void);
+
 #endif