rockchip: rk3399-rock-pi-4: Sync DT from v6.8 and update defconfig

rockchip: rk3399-rock-pi-4: Sync DT from v6.8 and update defconfig

Sync rk3399-rock-pi-4 related device tree from Linux kernel v6.8.

Add SPI flash related nodes and options to support boot from SPI flash.

Add AHCI=y, SCSI_AHCI=y, AHCI_PCI=y and SCSI=y to support SATA HAT.

Change to SPL_MAX_SIZE=0x40000, SPL can be up to 256 KiB.

Add ROCKCHIP_IODOMAIN=y to configure io-domain voltage.

Add PHY_REALTEK=y and DM_ETH_PHY=y to support ethernet PHY.

Remove SPL_TINY_MEMSET=y to use full memset in SPL.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Reviewed-by: Christopher Obbard <chris.obbard@collabora.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>