Default Menu Script

This MR adds a default menu script and adds functionality to Epicardium to load it onto the external flash if no menu.py exists yet.

lib/card10/card10.c

@@ -41,16 +41,17 @@ void card10_init(void)
 	I2C_Shutdown(MXC_I2C1_BUS0);
 	I2C_Init(MXC_I2C1_BUS0, I2C_FAST_MODE, NULL);
 
+	pmic_init();
+	pmic_set_led(0, 0);
+	pmic_set_led(1, 0);
+	pmic_set_led(2, 0);
+
 	portexpander_init();
 
 	GPIO_Init();
 
 	PB_Init();
 
-	pmic_init();
-	pmic_set_led(0, 0);
-	pmic_set_led(1, 0);
-	pmic_set_led(2, 0);
 	TMR_Delay(MXC_TMR0, MSEC(1000), 0);
 
 	while (RTC_EnableRTCE(MXC_RTC) == E_BUSY)