ARM: EXYNOS: add interrupt definitions for EXYNOS5250

This patch adds the interrupt definitions for EXYNOS5250 at
<mach/irqs.h> file and it is needed for EXYNOS5250 SoC.
As a note, for single zImage of EXYNOS4 and EXYNOS5, prefix
of EXYNOS4_ and EXYNOS5_ has been added.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos/dev-ahci.c

@@ -242,8 +242,8 @@ static struct resource exynos4_ahci_resource[] = {
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
-		.start	= IRQ_SATA,
-		.end	= IRQ_SATA,
+		.start	= EXYNOS4_IRQ_SATA,
+		.end	= EXYNOS4_IRQ_SATA,
 		.flags	= IORESOURCE_IRQ,
 	},
 };