msm: vidc: Fix video power suspend issue

Video hardware is not going to power suspend mode
if video core status is UNINIT state. Remove the
state check for successful power suspend functionality.

CRs-Fixed: 2127764
Change-Id: I3cae9f2bbb8d4df08a7d4118abc9664b86a5b8b3
Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>