arm: dts: rk3399-rockpro64: sync dts from linux kernel

The most important change for u-boot is the fix for the vdd-log pwm
voltage regulator to avoid overvoltage for the VD_LOGIC power domain.

Signed-off-by: Soeren Moch <smoch@web.de>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>