drm/scheduler: add drm_sched_job_add_resv_dependencies

Add a new function to update job dependencies from a resv obj.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221014084641.128280-3-christian.koenig@amd.com