fix(leds): Use new portexpander API

lib/card10/leds.c

 #include "gpio.h"
+#include "portexpander.h"
 
 #include <stdint.h>
 #include <string.h>
@@ -204,6 +205,14 @@ void leds_init(void)
         leds[i][3] = 8;
     }
 
+    if(portexpander_detected()) {
+        // Turn on LEDs
+        // TODO: only turn on LEDs if value != 0,0,0 && dim > 0
+        portexpander_set(0, 0);
+        portexpander_set(1, 0);
+        portexpander_set(2, 0);
+    }
+
     leds_update();
 }
 

lib/card10/portexpander.c

@@ -41,12 +41,6 @@ void portexpander_init(void)
 	command[0]   = 0x01;
 	command[1]   = output_state;
 	I2C_MasterWrite(MXC_I2C1_BUS0, addr << 1, command, 2, 0);
-
-	// Turn on LEDs
-	// TODO: only turn on LEDs if value != 0,0,0 && dim > 0
-	command[0] = 0x01;
-	command[1] = 0x90;
-	I2C_MasterWrite(MXC_I2C1_BUS0, addr << 1, command, 2, 0);
 }
 
 uint8_t portexpander_get(void)