busybox: 1.21.1 -> 1.22.1

Signed-off-by: Christopher Larson <kergoth@gmail.com>
wireless-tools: drop remnant PRINC due to upstream PV bump

Signed-off-by: Christopher Larson <kergoth@gmail.com>
lxc: drop staged automake fix, meta-virt fixed it

Signed-off-by: Christopher Larson <kergoth@gmail.com>
mel: drop unnecessary binutils version pref

Signed-off-by: Christopher Larson <kergoth@gmail.com>
systemtap: fix build with old elf.h

Fix the systemtap-native build on CentOS 6 by pulling back a commit from the
upstream git repository.

Signed-off-by: Christopher Larson <kergoth@gmail.com>