drm/msm: Use generic name for gpu resources

Use generic name for resources like irq and kthread instead of hardware
specific name to make it easier to grep.

Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Link: https://lore.kernel.org/r/20220226005021.v2.1.Id3d2e7391192c86d0783aeb307d3f9fb61f9efee@changeid


Signed-off-by: Rob Clark <robdclark@chromium.org>