Move all the locked/active/pinned state handling to msm_gem_submit.c.
In particular, for drm/scheduler, we'll need to do all this before
pushing the submit job to the scheduler.  But while we're at it we can
get rid of the dupicate pin and refcnt.
Signed-off-by: NRob Clark <robdclark@chromium.org>
Acked-by: NChristian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/20210728010632.2633470-7-robdclark@gmail.comSigned-off-by: NRob Clark <robdclark@chromium.org>