drm/msm/adreno: Add Adreno X1-45 support

Add support for Adreno X1-45 GPU present Snapdragon X1P42100
series of compute chipsets. This GPU is a smaller version of
X1-85 GPU with lower core count and smaller internal memories.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Tested-by: Jens Glathe <jens.glathe@oldschoolsolutions.biz>
Tested-by: Aleksandrs Vinarskis <alex.vinarskis@gmail.com> # x1-26-100
Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/660217/


Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>