Add IPU CSI ports and capture-subsystem device so the capture subsystem
part of the IPUv3EX can be used with the staging imx-media driver.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NLucas Stach <l.stach@pengutronix.de>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>