drm/msm: Fix some typos in comment

drm/msm: Fix some typos in comment

Fixed some spelling errors, the details are as follows:

-in the code comments:
	collpase->collapse
	firwmare->firmware
	everwhere->everywhere

Fixes: 2401a0084614 ("drm/msm: gpu: Add support for the GPMU")
Fixes: 5a903a44a984 ("drm/msm/a6xx: Introduce GMU wrapper support")
Fixes: f97decac5f4c ("drm/msm: Support multiple ringbuffers")
Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/614109/
Signed-off-by: Rob Clark <robdclark@chromium.org>