Add new USB ID.

PR:		usb/177173
MFC after:	1 week
Do not call vnode_pager_setsize() while a NFS node mutex is
locked. vnode_pager_setsize() might sleep waiting for the page after
EOF be unbusied.

Call vnode_pager_setsize() both for the regular and directory vnodes.

Reported by:	mich
Reviewed by:	rmacklem
Discussed with:	avg, jhb
MFC after:	2 weeks