ARM i.MX: Move gpio initialization to SoC specific files

This saves us from soc level dispatching in generic files

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-imx/mm-imx25.c b/arch/arm/mach-imx/mm-imx25.c
index 09dd8d4..02f7b5c 100644
--- a/arch/arm/mach-imx/mm-imx25.c
+++ b/arch/arm/mach-imx/mm-imx25.c
@@ -27,6 +27,8 @@
 #include <mach/hardware.h>
 #include <mach/mx25.h>
 #include <mach/iomux-v3.h>
+#include <mach/gpio.h>
+#include <mach/irqs.h>
 
 /*
  * This table defines static virtual address mappings for I/O regions.
@@ -55,11 +57,16 @@
 	mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR));
 }
 
-int imx25_register_gpios(void);
+static struct mxc_gpio_port imx25_gpio_ports[] = {
+	DEFINE_IMX_GPIO_PORT_IRQ(MX25, 0, 1, MX25_INT_GPIO1),
+	DEFINE_IMX_GPIO_PORT_IRQ(MX25, 1, 2, MX25_INT_GPIO2),
+	DEFINE_IMX_GPIO_PORT_IRQ(MX25, 2, 3, MX25_INT_GPIO3),
+	DEFINE_IMX_GPIO_PORT_IRQ(MX25, 3, 4, MX25_INT_GPIO4),
+};
 
 void __init mx25_init_irq(void)
 {
 	mxc_init_irq(MX25_IO_ADDRESS(MX25_AVIC_BASE_ADDR));
-	imx25_register_gpios();
+	mxc_gpio_init(imx25_gpio_ports,	ARRAY_SIZE(imx25_gpio_ports));
 }