rockchip: rk3308-rock-pi-s: Remove unnecessary u-boot dtsi overrides

With the emmc and uart0 DT nodes updated to v6.11-rc1 in dts/upstream
there is no longer any need to keep overrides in board u-boot dtsi.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
1 file changed