gpu: pvr: Update to DDK 1.8@2198402

 - Implemented a DC API change which queues a dummy display flip to
   workaround a rare and difficult to reproduce synchronization
   deadlock.
 - Eliminate log spam from Linux shrinker integration.
Linux 3.0.63
Linux 3.0.64
gpu: pvr: bypass compat check if version is same but build # is different