sync dts{,i} files for Radxa ROCK Pi 4 series with Linux 6.3.
because rk3399-rock-pi-4a.dts is enough for ROCK Pi 4A/B/A+/B+ and ROCK
4SE, delete dts{,i} for ROCK Pi 4B.
Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>