siemens/mc_bdx1: Set up MAC address for available i210 MACs

Enable the usage of DRIVER_INTEL_I210 and provide a function to search
for a valid MAC address for all i210 devices using hwilib.

Change-Id: Ic0f4f1579364cf5b0111334a05a8a0926785318b
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/15517
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2 files changed