security: tlk_driver: Add restore keyslot event smc

To be used by nvavp and nvdec drivers to signal tlk to restore their
keys. Appropriate clocks should be enabled before/after calling.

Change-Id: I45c7ce17e198acff042d27d5d17aa07a8428ad79
Signed-off-by: Aaron Gamble <jgamble@nvidia.com>
Reviewed-on: http://git-master/r/664719
Reviewed-by: Mahesh Lagadapati <mlagadapati@nvidia.com>
Reviewed-by: Hyung Taek Ryoo <hryoo@nvidia.com>
Reviewed-by: Dhiren Parmar <dparmar@nvidia.com>
(cherry picked from commit b76e15fecbad47905597e03f8f6722d285a1166c)
3 files changed