[alsa-lib] use /etc/asound/asound.conf instead of /etc/asound.conf
xenclient-installer-image: add network device support

Pulled a few packages listed in the ndvm image to support
network devices and copied them into the installer image.

OXT-56

Signed-off-by: Chris Patterson <pattersonc@ainfosec.com>
[OXT-23] Fix license checksum for MIT licenses.

This was caused by d08f15bf88e5378b19bed88ce3e9bcc266c595a7 but went
unnoticed due to OXT-74.
[OXT-23] Fix license checksum for MIT licenses.

This was caused by d08f15bf88e5378b19bed88ce3e9bcc266c595a7 but went
unnoticed due to OXT-74.