The MAC addresses for the PRU Ethernet ports will be available in the
board EEPROM as an address range. Populate those MAC addresses (if valid)
into the u-boot environment so that they can be passed on to the
device tree during fdt_fixup_ethernet().
Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>