accel/ivpu: Improve stability of ivpu_submit_ioctl()

- Wake up the device as late as possible
- Remove job reference counting in order to simplify the code
- Don't put jobs that are not fully submitted on submitted_jobs_xa in
  order to avoid potential races with reset/recovery

Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Wachowski, Karol <karol.wachowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240122120945.1150728-3-jacek.lawrynowicz@linux.intel.com