clk: samsung: exynos4415: Fix build with PM_SLEEP disabled

Fix following build errors when PM_SLEEP is disabled (e.g. by disabling
SUSPEND and HIBERNATION):

drivers/clk/samsung/clk-exynos4415.c: In function ‘exynos4415_cmu_init’:
drivers/clk/samsung/clk-exynos4415.c:982:2: error: ‘exynos4415_ctx’ undeclared (first use in this function)
drivers/clk/samsung/clk-exynos4415.c:982:2: note: each undeclared identifier is reported only once for each function it appears in
drivers/clk/samsung/clk-exynos4415.c: In function ‘exynos4415_cmu_dmc_init’:
drivers/clk/samsung/clk-exynos4415.c:1123:2: error: ‘exynos4415_dmc_ctx’ undeclared (first use in this function)
make[3]: *** [drivers/clk/samsung/clk-exynos4415.o] Error 1

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

drivers/clk/samsung/clk-exynos4415.c

@@ -118,12 +118,13 @@ enum exynos4415_plls {
 	nr_plls,
 };
 
+static struct samsung_clk_provider *exynos4415_ctx;
+
 /*
  * Support for CMU save/restore across system suspends
  */
 #ifdef CONFIG_PM_SLEEP
 static struct samsung_clk_reg_dump *exynos4415_clk_regs;
-static struct samsung_clk_provider *exynos4415_ctx;
 
 static unsigned long exynos4415_cmu_clk_regs[] __initdata = {
 	SRC_LEFTBUS,
@@ -1031,9 +1032,10 @@ enum exynos4415_dmc_plls {
 	nr_dmc_plls,
 };
 
+static struct samsung_clk_provider *exynos4415_dmc_ctx;
+
 #ifdef CONFIG_PM_SLEEP
 static struct samsung_clk_reg_dump *exynos4415_dmc_clk_regs;
-static struct samsung_clk_provider *exynos4415_dmc_ctx;
 
 static unsigned long exynos4415_cmu_dmc_clk_regs[] __initdata = {
 	MPLL_LOCK,