rockchip: rk3399-firefly: Sync DT from v6.8 and update defconfig

rockchip: rk3399-firefly: Sync DT from v6.8 and update defconfig

Sync rk3399-firefly device tree from Linux kernel v6.8.

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

Add ROCKCHIP_IODOMAIN=y to configure io-domain voltage.

Add MMC_SDHCI_SDMA=y to use DMA transfer for eMMC.

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

Add PHY_ROCKCHIP_INNO_USB2=y and PHY_ROCKCHIP_TYPEC=y to support USB PHY.

Remove SPL_TINY_MEMSET=y to use full memset in SPL.

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