CoreOS sign the unified kernel image but had the option to sign
the kernel image as well. This option was disabled by default
and as far as I know was never used and is not really needed.
* change the MACHINE from cn9130-bldn-mbv to cn9131-bldn-mbv
* update trusted platform to support falcon board and represnt the solidrun settings
* add patch that fixes phy issues
* compatible node in device tree is adjusted
* config for cn9131 Falcon is removed since it is based on cn9130
* config for cn9130 based Falcon is added