PMU mutexes used by FIFO and runlists is functionality independent of
the PMU command and message management.
Remove related functionality from pmu_ipc.c and prepare pmu_mutex.c.
Prepare PMU HAL unit that contains gk20a specific PMU mutexes
handling.
JIRA NVGPU-1970
Change-Id: I0204be2ef9d2c000004667af3c18dc527d7ac25f
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2079142
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
