linux-imx

LF-603-1 arm: dts: imx7d: use power-domains for mipi phy

Since the gpcv2 driver has been changed to use
power domains for all the modules, so add the
'power-domains' property for mipi dsi and remove
previous 'mipi-phy' supply property for dphy
power management.

Signed-off-by: Fancy Fang <chen.fang@nxp.com>
Reviewed-by: Robby Cai <robby.cai@nxp.com>