This adds the necessary bits to drive the VPU blk-ctrl on the i.MX8MQ, to
avoid putting more of this functionality into the decoder driver.
Signed-off-by: NLucas Stach <l.stach@pengutronix.de>
Signed-off-by: NAdam Ford <aford173@gmail.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>