xml: T2337: bugfix on missing hw-id node
xml: T2337: bugfix on missing hw-id node

Commit 021a2470bd67 ("XML: T2282: clarify on ethernet and wireless hw-id nodes")
created a common XML include file out of the MAC address include file which
totally blew everything as we now have two "mac" nodes as it was not renamed to
"hw-id".

vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x