ARM: S5PC100: Fix definition of IRQ_EINT()

Somewhere during the latest platform cleanups the IRQ_EINT definition
got broken, so fix it by replacing it in <mach/irqs.h>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

arch/arm/mach-s5pc100/include/mach/irqs.h

@@ -100,6 +100,9 @@
 #define S5P_EINT_BASE1		(S5P_IRQ_VIC0(0))
 #define S5P_EINT_BASE2		(IRQ_VIC_END + 1)
 
+#define IRQ_EINT(x)		((x) < 16 ? S5P_IRQ_VIC0(x) : \
+				 (S5P_EINT_BASE2 + (x) - 16))
+
 #define S3C_IRQ_GPIO_BASE	(IRQ_EINT(31) + 1)
 #define S3C_IRQ_GPIO(x)		(S3C_IRQ_GPIO_BASE + (x))