Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

Now that the other architecture-specific lib directories have been
moved out of the top-level directory there's not much reason to have the
'_generic' suffix on the common lib directory.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

add support for bzip2 uncompression