ARM: EXYNOS: Add PMU table for EXYNOS5250

This patch adds pmu table setting feature for EXYNOS5250.

Signed-off-by: Jongpill Lee <boyko.lee@samsung.com>
[kgene.kim@samsung.com: re-worked on top of v3.4-rc7]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos/pm.c

@@ -98,7 +98,7 @@ static void exynos_pm_prepare(void)
 
 	/* Set value of power down register for sleep mode */
 
-	exynos4_sys_powerdown_conf(SYS_SLEEP);
+	exynos_sys_powerdown_conf(SYS_SLEEP);
 	__raw_writel(S5P_CHECK_SLEEP, S5P_INFORM1);
 
 	/* ensure at least INFORM0 has the resume address */