arm, am335x: add some missing GPIO register definitions

add missing:
OMAP_GPIO_IRQSTATUS_SET_0 and OMAP_GPIO_IRQSTATUS_SET_1
registers.

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>

arch/arm/include/asm/arch-am33xx/cpu.h

@@ -497,6 +497,8 @@ struct ctrl_stat {
 #define OMAP_GPIO_SYSSTATUS		0x0114
 #define OMAP_GPIO_IRQSTATUS1		0x002c
 #define OMAP_GPIO_IRQSTATUS2		0x0030
+#define OMAP_GPIO_IRQSTATUS_SET_0	0x0034
+#define OMAP_GPIO_IRQSTATUS_SET_1	0x0038
 #define OMAP_GPIO_CTRL			0x0130
 #define OMAP_GPIO_OE			0x0134
 #define OMAP_GPIO_DATAIN		0x0138