Brings many updates/fixes, most important one being the use of standard
bootdistro commands/variables.
Therefore the legacy 6x_bootscript/upgrade scripts have been removed in
favor of boot.scr and upgrade.scr.
Also, the HOSTCC patch isn't needed anymore since included in mainline
U-Boot.
Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
