jem: fix 1080p playback

Reduce the tiler1d allocation slightly to make room
for more tiler2d memory.  This allows larger 1080p
buffers to be allocated successfully.

Change-Id: Id9710f28c645cc91733ea2412eb73771e39dc2b6
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0-dev