MFC	r258731:

gcc: Make use of TREE_OVERFLOW_P.

While it was brought in r258179 only to fix a build issue,
bringing the rest of the change has the advantage of fixing
GCC/19978.

Obtained from:	gcc 4.3 (rev. 120505; GPLv2)
MFC r258363:

Add alternate ID for Novatel MiFi 2200 CDMA, which is used by my
Virgin Mobile branded device.  It needs the U3GINIT_SCSIEJECT quirk.
[automated] Merge in upstream-github/stable/9