arm64: dts: rockchip: Add SDR104 mode to SD-card I/F on rk3399-roc-pc

Add SDR104 capability and regulators to SD card node.

Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
Link: https://lore.kernel.org/r/1b9b8314-8778-2d48-6f7a-3502c2146c42@fivetechno.de


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