arm: exynos: fix the align for exynos4_power structure

res3 should be 4bytes

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Cc: Dominik Klein <dominik.klein@gmx.com>

arch/arm/include/asm/arch-exynos/power.h

@@ -16,7 +16,7 @@ struct exynos4_power {
 	unsigned int	gnss_rtc_out_ctrl;
 	unsigned char	res2[0x1ec];
 	unsigned int	system_power_down_ctrl;
-	unsigned char	res3[0x1];
+	unsigned int	res3;
 	unsigned int	system_power_down_option;
 	unsigned char	res4[0x1f4];
 	unsigned int	swreset;