msm: kgsl: Add support for adreno203 in msm8x25

For msm8x25, the adreno version returned by hardware is incorrect. Patch
the version to return the correct one.

Change-Id: Ie47ff55a5196442545f5adc60f4c7ce833ba458d
Signed-off-by: Ranjhith Kalisamy <ranjhith@codeaurora.org>