PM / devfreq: tegra: Add COMMON_CLK dependency

Compile-testing this driver fails if CONFIG_COMMON_CLK is not set:

drivers/devfreq/tegra30-devfreq.o: In function `tegra_devfreq_target':
tegra30-devfreq.c:(.text+0x164): undefined reference to `clk_set_min_rate'

Fixes: 35f8dbc7 ("PM / devfreq: tegra: Enable COMPILE_TEST for the driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

drivers/devfreq/Kconfig

@@ -97,6 +97,7 @@ config ARM_TEGRA_DEVFREQ
 		ARCH_TEGRA_132_SOC || ARCH_TEGRA_124_SOC || \
 		ARCH_TEGRA_210_SOC || \
 		COMPILE_TEST
+	depends on COMMON_CLK
 	help
 	  This adds the DEVFREQ driver for the Tegra family of SoCs.
 	  It reads ACTMON counters of memory controllers and adjusts the