Userspace handling is deprecated.
Since the u-boot ethaddr variable is quoted, we cannot use it.
Use mac-base instead to specify in dts.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/14182
Signed-off-by: Robert Marko <robimarko@gmail.com>