rockchip: rk3399-gru: Sync DT from Linux kernel v6.8

Sync rk3399-gru related device tree from Linux kernel v6.8.

The spi_flash symbol is no longer part of upstream DT, it is re-defined
to allow existing reference use in related u-boot.dtsi-files.

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