defconfig: arm64: msm: Enable KGSL

Enable the Adreno GPU driver to support hardware
assisted graphics rendering and compute.

Change-Id: Ia6aeb8864a803cbfddda1af8b7b44ea5eb056337
Signed-off-by: Shrenuj Bansal <shrenujb@codeaurora.org>
Signed-off-by: Pu Chen <puchen@codeaurora.org>