drivers: misc: Put CPU1 online before LP0

drivers: misc: Put CPU1 online before LP0

If CPU1 is offline before suspend, bring it back online so that it can
enter a low enough C-state (C7) for system suspend. Otherwise, CPU1
could potentially be stuck in a lower C-state causing the device to hang
on a LP0 request from CPU0.

Bug 1427140

Change-Id: Ib254b653f63cad401d7b24fa2c4a83801c9e7377
Signed-off-by: Sai Gurrappadi <sgurrappadi@nvidia.com>
Reviewed-on: http://git-master/r/403959
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Peng Du <pdu@nvidia.com>
Reviewed-by: Krishna Sitaraman <ksitaraman@nvidia.com>
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>