update to upstream version 21.71

Signed-off-by: Alberto Bursi <bobafetthotmail@gmail.com>

this package fails to compile with uclibc,
disable it if the uclibc toolchain is selected

Signed-off-by: Alberto Bursi <bobafetthotmail@gmail.com>

add hwinfo package, it is a complete
system hardware detection tool,
similar to lshw but is written in C
and has minimal dependencies.
It is part of core SUSE Linux
applications like Yast installer
and system configurator tool so
it's regularly maintained.

Signed-off-by: Alberto Bursi <bobafetthotmail@gmail.com>