msm: kgsl: Granule Fill Override Enable

The LLC uses a 64 byte cache line size, but has a GFO
mode where it can allocate partial cache lines as well.
So Enabling GFO mode for higher performance.

Change-Id: I941b3ed4fa20038834362134d6dfaeae77f0cfdf
Signed-off-by: Nitheesh Muthuraj <nmuthuraj@codeaurora.org>