rockchip: rk3588-nanopc-t6: Drop upstream props from u-boot.dtsi

The SPI flash node has been added in upstream DT, drop all props beside
bootph-* props from the SPI flash related nodes from u-boot.dtsi.

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