ARM: EXYNOS: fixed compiler warning message

Removed [-Wuninitialized] warning message.
The fout_sel is assigned to "-1" by default.
And start, gpio_func is initialized to 0.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
index 5b7e0ff..de3db8e 100644
--- a/arch/arm/cpu/armv7/exynos/clock.c
+++ b/arch/arm/cpu/armv7/exynos/clock.c
@@ -173,6 +173,9 @@
 			fout_sel = (pll_div2_sel >> BPLL_FOUT_SEL_SHIFT)
 					& BPLL_FOUT_SEL_MASK;
 			break;
+		default:
+			fout_sel = -1;
+			break;
 		}
 
 		if (fout_sel == 0)