ARM: 6156/1: nomadik-gpio: switch to core_initcall

Move the platform driver registration to a core_initcall, instead of an
arch_initcall.  This will allow us to use gpio related calls in
init_machine() (which is an arch_initcall) after adding the gpio
platform devices.

Cc: Alessandro Rubini <rubini@unipv.it>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/plat-nomadik/gpio.c

@@ -618,7 +618,7 @@ static int __init nmk_gpio_init(void)
 	return platform_driver_register(&nmk_gpio_driver);
 }
 
-arch_initcall(nmk_gpio_init);
+core_initcall(nmk_gpio_init);
 
 MODULE_AUTHOR("Prafulla WADASKAR and Alessandro Rubini");
 MODULE_DESCRIPTION("Nomadik GPIO Driver");