Add support for the HDMI port found on RK3568.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20220422072841.2206452-18-s.hauer@pengutronix.deSigned-off-by: NHeiko Stuebner <heiko@sntech.de>