Exynos5420: Add clock initialization for 5420

This patch adds code for clock initialization and clock settings
of various IP's and controllers, required for Exynos5420

Signed-off-by: Rajeshwari S Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/include/asm/arch-exynos/clk.h b/arch/arm/include/asm/arch-exynos/clk.h
index 1d6fa93..cdeef32 100644
--- a/arch/arm/include/asm/arch-exynos/clk.h
+++ b/arch/arm/include/asm/arch-exynos/clk.h
@@ -14,6 +14,7 @@
 #define HPLL	3
 #define VPLL	4
 #define BPLL	5
+#define RPLL	6
 
 enum pll_src_bit {
 	EXYNOS_SRC_MPLL = 6,