media: tegra: nvavp: fix deadlock issue

media: tegra: nvavp: fix deadlock issue

nvavp_uninit() cancels clock_disable_work in a synchronous manner,
and the work function of clock_disable_work requires nvavp->open_lock,
so any routine holds the same lock should release it before calling
nvavp_uninit().

Bug 200013513

Change-Id: I42082a97cc4e311a4141559f8a56c7c1eeb97eb2
Signed-off-by: Allen Yu <alleny@nvidia.com>
Reviewed-on: http://git-master/r/434113
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Soumenkumar Dey <sdey@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>