cmds/init: accomodate both bb and source mode with one init.
cmds/init: accomodate both bb and source mode with one init.

rminnich/u-root,GanShun/u-root,hugelgupf/u-root,u-root/u-root,rminnich/u-root,GanShun/u-root,u-root/u-root,rminnich/u-root,rminnich/u-root,u-root/u-root,GanShun/u-root,hugelgupf/u-root,hugelgupf/u-root,hugelgupf/u-root