ARM: OMAP: Undo of adding early GPIO init to board specific files

The early GPIO should only be needed in cases where some interrupts
are routed via FPGA. In most cases doing the init with arch_initcall()
should be fine.

arch/arm/mach-omap1/board-generic.c

@@ -28,12 +28,9 @@
 #include <asm/arch/board.h>
 #include <asm/arch/common.h>
 
-extern int omap_gpio_init(void);
-
 static void __init omap_generic_init_irq(void)
 {
 	omap_init_irq();
-	omap_gpio_init();
 }
 
 /* assume no Mini-AB port */

arch/arm/mach-omap1/board-innovator.c

@@ -36,8 +36,6 @@
 #include <asm/arch/usb.h>
 #include <asm/arch/common.h>
 
-extern int omap_gpio_init(void);
-
 static struct mtd_partition innovator_partitions[] = {
 	/* bootloader (U-Boot, etc) in first sector */
 	{

arch/arm/mach-omap1/board-osk.c

@@ -46,8 +46,6 @@
 #include <asm/arch/tc.h>
 #include <asm/arch/common.h>
 
-extern int omap_gpio_init(void);
-
 static struct mtd_partition osk_partitions[] = {
 	/* bootloader (U-Boot, etc) in first sector */
 	{

arch/arm/mach-omap1/board-palmte.c

@@ -32,12 +32,9 @@
 #include <asm/arch/common.h>
 #include <asm/hardware/clock.h>
 
-extern int omap_gpio_init(void);
-
 static void __init omap_generic_init_irq(void)
 {
 	omap_init_irq();
-	omap_gpio_init();
 }
 
 static struct omap_usb_config palmte_usb_config __initdata = {

arch/arm/mach-omap1/board-perseus2.c

@@ -31,8 +31,6 @@
 #include <asm/arch/common.h>
 #include <asm/arch/board.h>
 
-extern int omap_gpio_init(void);
-
 static struct resource smc91x_resources[] = {
 	[0] = {
 		.start	= H2P2_DBG_FPGA_ETHR_START,	/* Physical */

arch/arm/mach-omap2/board-generic.c

@@ -31,12 +31,9 @@
 #include <asm/arch/board.h>
 #include <asm/arch/common.h>
 
-extern int omap_gpio_init(void);
-
 static void __init omap_generic_init_irq(void)
 {
 	omap_init_irq();
-	omap_gpio_init();
 }
 
 static struct omap_uart_config generic_uart_config __initdata = {

arch/arm/mach-omap2/board-h4.c

@@ -34,8 +34,6 @@
 #include <asm/io.h>
 #include <asm/delay.h>
 
-extern int omap_gpio_init(void);
-
 static struct mtd_partition h4_partitions[] = {
 	/* bootloader (U-Boot, etc) in first sector */
 	{