Add patch to fix busybox bunzip2, see #497916.

Signed-off-by: Guy Martin <gmsoft@tuxicoman.be>
Don't pre-populate netboot's resolv.conf.

Signed-off-by: Guy Martin <gmsoft@gentoo.org>
Start a getty on the serial console if known.

This allows busybox to send SIGINT when Ctrl-C is issued.
Most users start a ping to verify connectivity but can never stop it.

Signed-off-by: Guy Martin <gmsoft@gentoo.org>
Add machine detection for hppa.

Signed-off-by: Guy Martin <gmsoft@gentoo.org>