Add HAL interface for TSG open, which is intended to
be called from the exisiting gk20a_tsg_open function.
The tsg_open entryoint is only implemented for vgpu,
as the server needs to clear metadata when a tsg is opened.
Bug 200215060
Change-Id: Icc8fd602f31e52d9fa9b2e7786b665b9e7b9294e
Signed-off-by: Sachit Kadle <skadle@nvidia.com>
Reviewed-on: http://git-master/r/1249218
(cherry picked from commit 35c86f7c796c6574d3dc336e20012ea5c16d7cb4)
Reviewed-on: http://git-master/r/1256468
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>