linux-phytec-fsl

ARM: dts: rockchip: add mipi_dsi to VIO power domain on rk3288

The MIPI controllers are part of the VIO power domain so add the
necessary property to indicate this for the controller we support.

Signed-off-by: John Keeping <john@metanate.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>