[FOSS_TLK]tegra: common: Add checks for ns_vfp_hw_context

If any task is not loaded then this will be NULL.
Hence adding checks before accessing.

Change-Id: I41fdaebb3124581823f8a064d38621b503be0c7c
Signed-off-by: Sharif Inamdar <isharif@nvidia.com>
Reviewed-on: http://git-master/r/715783
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
Tested-by: Varun Wadekar <vwadekar@nvidia.com>
1 file changed