linux-phytec-fsl

drm/etnaviv: update MLCG disables with info from newer Vivante driver

PA clock gating can be enabled when the right bugfix bit is present.

There are broken revs of GC4000 and GC2000, which need TX clock gating
to be disabled.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>