ARM: 6200/1: AT91: Define NR_BUILTIN_GPIO

Add definition for NR_BUILTIN_GPIO for AT91 family
Signed-off-by: NRyan Mallon <ryan@bluewatersys.com>
Acked-by: NAndrew Victor <linux@maxim.org.za>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-at91/include/mach/gpio.h

@@ -19,6 +19,7 @@
 #define PIN_BASE		NR_AIC_IRQS
 
 #define MAX_GPIO_BANKS		5
+#define NR_BUILTIN_GPIO		(PIN_BASE + (MAX_GPIO_BANKS * 32))
 
 /* these pin numbers double as IRQ numbers, like AT91xxx_ID_* values */