msm: ocmem: Refactor the GPU MPU workaround to a stub
msm: ocmem: Refactor the GPU MPU workaround to a stub

The GPU MPU workaround requires the OCMEM core clock.
So refactor the workaround as a stub that can be used
with clock management support.

Change-Id: I096cdf2bf61674795befb1fbb75d5ec3faa5ed23
Signed-off-by: Naveen Ramaraj <d1996fe015c1f347dddf6c16199179596b8014db@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas