uboot-imx

rockchip: tinker: set ethaddr in late init

Set ethernet mac address in late init for Tinker Board,
prevents getting a random mac address each boot.

Read mac address from eeprom, first 6 bytes from m24c08@50.
Same as /etc/init.d/rockchip.sh on Tinker OS.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Simon Glass <sjg@chromium.org>