Several updates integrated:
- removal of no more supported basic boot scheme
- removal of no more supported boot device (nor-nand and nor-emmc)
- rework of providers and machine features
- introduction of new board versions (a, c, d, f)
- update of extlinuxconf-stm32mp class to manage multiple board versions
- configure 'extlinux.conf' file to manage PARTUUID to select rootfs
partition
- new partition images management (easy to add or remove partition through
new PARTITIONS_CONFIG var
- specific configuration on machine side for all storage device supported
Change-Id: I7e4d3d16535a5654c7fd80f9b56296a61050def3
Christophe Priouzeau
Romuald JEANNE
Christophe Priouzeau