Revert "msm: kgsl: Verify the user address before reading a perfcounter group"

This reverts commit b69ce24c503ea567a1c350e85e43616ee3b7a5b9.
Linux 3.4.87
msm: kgsl: Fix Z180 memory leak
Decerement entry refcount, which incremented
in kgsl_sharedmem_find_region.

CRs-Fixed: 635747
Change-Id: I621ba8f8e119a9ab8ba5455b28a565e3cae2f7cd
Signed-off-by: Hareesh Gundu <hareeshg@codeaurora.org>
Revert "Revert "msm: kgsl: Verify the user address before reading a perfcounter group""

This reverts commit 5f41febef8c4ca01597f0343ba41f503df33f26a.
Revert "msm: kgsl: Remove adreno_a3xx_pwron_fixup_init"

do this revert properly in the next commit

This reverts commit 27d4a4c15bd73e5e928674b4d855ae33e97316aa.
Revert "msm: kgsl: Implement the A3XX power-on shader workaround"
This is not necessary for mako