fix(libcard10): Initialize GPIO before PMIC

pmic_init() uses the GPIO API internally to set up the PMIC
interrupt handler.  This does not work properly if called before
GPIO_Init() and will lead to the power-button never interrupting
Epicardium.

Fixes #83.

Signed-off-by: Rahix <rahix@rahix.de>

lib/card10/card10.c

@@ -41,6 +41,8 @@ void card10_init(void)
 	I2C_Shutdown(MXC_I2C1_BUS0);
 	I2C_Init(MXC_I2C1_BUS0, I2C_FAST_MODE, NULL);
 
+	GPIO_Init();
+
 	pmic_init();
 	pmic_set_led(0, 0);
 	pmic_set_led(1, 0);
@@ -48,8 +50,6 @@ void card10_init(void)
 
 	portexpander_init();
 
-	GPIO_Init();
-
 	PB_Init();
 
 	TMR_Delay(MXC_TMR0, MSEC(1000), 0);