ARM: EXYNOS4: Enable watchdog parent clock

This patch adds the parent clock for watchdog timer for EXYNOS4.

Signed-off-by: Inderpal Singh <inderpal.s@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c
index 72d53d5..7bf3c4e 100644
--- a/arch/arm/mach-exynos4/clock.c
+++ b/arch/arm/mach-exynos4/clock.c
@@ -489,6 +489,7 @@
 	}, {
 		.name		= "watchdog",
 		.id		= -1,
+		.parent		= &clk_aclk_100.clk,
 		.enable		= exynos4_clk_ip_perir_ctrl,
 		.ctrlbit	= (1 << 14),
 	}, {