arm: exynos: Add RPLL for Exynos5420

RPLL is needed to drive the LCD panel on Exynos5420 based boards.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/cpu/armv7/exynos/clock_init.h b/arch/arm/cpu/armv7/exynos/clock_init.h
index a875d0b..fce502f 100644
--- a/arch/arm/cpu/armv7/exynos/clock_init.h
+++ b/arch/arm/cpu/armv7/exynos/clock_init.h
@@ -75,6 +75,9 @@
 	unsigned spll_mdiv;
 	unsigned spll_pdiv;
 	unsigned spll_sdiv;
+	unsigned rpll_mdiv;
+	unsigned rpll_pdiv;
+	unsigned rpll_sdiv;
 	unsigned pclk_cdrex_ratio;
 	unsigned direct_cmd_msr[MEM_TIMINGS_MSR_COUNT];