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>
diff --git a/arch/arm/dts/rk3399-rock-pi-4c-u-boot.dtsi b/arch/arm/dts/rk3399-rock-pi-4c-u-boot.dtsi
index 85ee577..3838562 100644
--- a/arch/arm/dts/rk3399-rock-pi-4c-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-rock-pi-4c-u-boot.dtsi
@@ -4,3 +4,10 @@
  */
 
 #include "rk3399-rock-pi-4-u-boot.dtsi"
+
+&spi1 {
+	flash@0 {
+		bootph-pre-ram;
+		bootph-some-ram;
+	};
+};