arch/arm/cpu/armv7/omap-common/clocks-common.c: Fix GCC 4.6 warnings

Fix:
clocks-common.c: In function 'setup_dplls':
clocks-common.c:256:6: warning: variable 'sysclk_ind' set but not used
[-Wunused-but-set-variable]
clocks-common.c: In function 'setup_non_essential_dplls':
clocks-common.c:292:6: warning: variable 'sysclk_ind' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: sricharan <r.sricharan@ti.com>
Cc: Tom Rini <trini@ti.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Tom Rini <trini@ti.com>

arch/arm/cpu/armv7/omap-common/clocks-common.c

@@ -253,11 +253,10 @@ void configure_mpu_dpll(void)
 
 static void setup_dplls(void)
 {
-	u32 sysclk_ind, temp;
+	u32 temp;
 	const struct dpll_params *params;
-	debug("setup_dplls\n");
 
-	sysclk_ind = get_sys_clk_index();
+	debug("setup_dplls\n");
 
 	/* CORE dpll */
 	params = get_core_dpll_params();	/* default - safest */
@@ -289,10 +288,9 @@ static void setup_dplls(void)
 static void setup_non_essential_dplls(void)
 {
 	u32 sys_clk_khz, abe_ref_clk;
-	u32 sysclk_ind, sd_div, num, den;
+	u32 sd_div, num, den;
 	const struct dpll_params *params;
 
-	sysclk_ind = get_sys_clk_index();
 	sys_clk_khz = get_sys_clk_freq() / 1000;
 
 	/* IVA */