linux-phytec-fsl

ARM: dts: imx6qdl: add IPU aliases

This allows for consistent numbering of the IPU output and
input ports.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>