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>

arch/arm/cpu/armv7/exynos/clock.c

@@ -173,6 +173,9 @@ static unsigned long exynos5_get_pll_clk(int pllreg)
 			fout_sel = (pll_div2_sel >> BPLL_FOUT_SEL_SHIFT)
 					& BPLL_FOUT_SEL_MASK;
 			break;
+		default:
+			fout_sel = -1;
+			break;
 		}
 
 		if (fout_sel == 0)

arch/arm/cpu/armv7/exynos/pinmux.c

@@ -66,7 +66,7 @@ static int exynos5_mmc_config(int peripheral, int flags)
 	struct exynos5_gpio_part1 *gpio1 =
 		(struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();
 	struct s5p_gpio_bank *bank, *bank_ext;
-	int i, start, gpio_func;
+	int i, start = 0, gpio_func = 0;
 
 	switch (peripheral) {
 	case PERIPH_ID_SDMMC0: