ARM: 7241/1: mach-ux500 Use CONFIG_ARCH_NR_GPIO

Add default value for CONFIG_ARCH_NR_GPIO to Kconfig and remove the
definition in gpio.h. We can't remove gpio.h yet as asm/gpio.h still
includes it.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/Kconfig

@@ -1568,6 +1568,7 @@ config LOCAL_TIMERS
 config ARCH_NR_GPIO
 	int
 	default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
+	default 350 if ARCH_U8500
 	default 0
 	help
 	  Maximum number of GPIOs in the system.

arch/arm/mach-ux500/include/mach/gpio.h

 #ifndef __ASM_ARCH_GPIO_H
 #define __ASM_ARCH_GPIO_H
 
-/*
- * 288 (#267 is the highest one actually hooked up) onchip GPIOs, plus enough
- * room for a couple of GPIO expanders.
- */
-#define ARCH_NR_GPIOS	350
 
 #endif /* __ASM_ARCH_GPIO_H */