imx9: Change hard coded MAC to read from fuse

The MAC addresses are hard coded for bring up. Change it to support
reading from fuse.

Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
1 file changed