ARM: EXYNOS4: Update clocks for keypad

The keypad IF on EXYNOS4 uses 100MHz from PERIR functional
block for clocks, this patch updates the same.

Signed-off-by: Naveen Krishna Ch <ch.naveen@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 fac6a3b..15f1333 100644
--- a/arch/arm/mach-exynos4/clock.c
+++ b/arch/arm/mach-exynos4/clock.c
@@ -489,6 +489,11 @@
 		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 15),
 	}, {
+		.name		= "keypad",
+		.id		= -1,
+		.enable		= exynos4_clk_ip_perir_ctrl,
+		.ctrlbit	= (1 << 16),
+	}, {
 		.name		= "rtc",
 		.id		= -1,
 		.enable		= exynos4_clk_ip_perir_ctrl,