arm64: dts: rockchip: Rework voltage supplies for regulators on rk3399-roc-pc

Correct the voltage supplies according to the board schematics
ROC-3399-PC-V10-A-20180804.

Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
Link: https://lore.kernel.org/r/22b56700-3c9e-0f60-cd74-7ff24d4f1a23@fivetechno.de


Signed-off-by: Heiko Stuebner <heiko@sntech.de>