Added return of Ri - Ri' match

Added return of Ri - Ri' match

BZ: 36338
Function was not properly return state after frame update while checking hdcp link status.

Change-Id: Ibfe627d8c9cc9987b78929d6963cc851426b1965
Signed-off-by: Steve Shortess <stevex.w.shortess@intel.com>
Reviewed-on: http://android.intel.com:8080/49254
Reviewed-by: Qiu, Junhai <junhai.qiu@intel.com>
Reviewed-by: Zhang, Lei <lei.zhang@intel.com>
Reviewed-by: Ai, Ke <ke.ai@intel.com>
Reviewed-by: Xu, Randy <randy.xu@intel.com>
Tested-by: Tong, BoX <box.tong@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>