arm64: dts: rockchip: fix regulator structure on rk3399-rock-4c-plus

fix regulator name.
also, add vcc_3v3 and vdd_log.

ref:
 https://dl.radxa.com/rockpi4/docs/hw/rockpi4/rockpi4c_plus_v12_sch_220304.pdf



Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Link: https://lore.kernel.org/r/20220909195006.127957-2-naoki@radxa.com


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