ARM: 7244/1: mach-shmobile: Use CONFIG_ARCH_NR_GPIO

Add default value for CONFIG_ARCH_NR_GPIO to Kconfig and remove the
definition in gpio.h.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/Kconfig

@@ -1567,7 +1567,7 @@ config LOCAL_TIMERS
 
 config ARCH_NR_GPIO
 	int
-	default 1024 if ARCH_TEGRA
+	default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
 	default 0
 	help
 	  Maximum number of GPIOs in the system.

arch/arm/mach-shmobile/include/mach/gpio.h

@@ -12,8 +12,6 @@
 
 #include <linux/kernel.h>
 #include <linux/errno.h>
-
-#define ARCH_NR_GPIOS 1024
 #include <linux/sh_pfc.h>
 
 #ifdef CONFIG_GPIOLIB