update offset for every cmd stream

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
small cleanup

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
cosmetics

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
we do not allow cache flags for ETNA_BO_CMDSTREAM

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Merge branch 'master' of github.com:austriancoder/linux