Thermal: exynos: Add clk_{un}prepare APIs
Thermal: exynos: Add clk_{un}prepare APIs

clk_{un}prepare APIs are required to migrate to common
clock framework. While at it convert to use devm_clk_get as
it removes some cleanup code.

Signed-off-by: Sachin Kamat <1c3b1584a6008857f36c03c58f657c0fc16fc09e@linaro.org>
Cc: Amit Daniel Kachhap <af46fc11c512e2f04cb4f1fb592b19c9c97c3d90@samsung.com>
Acked-by: Eduardo Valentin <977df7d8e3020f3c4acf757f6ad9c6cf2bc8f2d7@ti.com>
Signed-off-by: Zhang Rui <f2a4cf793007be8f81a774dc7806c1ffea7b4a2c@intel.com>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs