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

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

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

Drop bootph prop for i2c0 and rk808 node, PMIC support is not included
in TPL/SPL and PMIC regulators are working fine in U-Boot proper.

Change to use sdmmc_cd pinconf and drop cd-gpios for card detect pin.

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

Remove CONFIG_NET_RANDOM_ETHADDR=y, ethaddr and eth1addr is set based on
cpuid read from eFUSE.

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: Kever Yang <kever.yang@rock-chips.com>