usb: Add MBIM Extended Functional Descriptor

A new extended functional descriptor is added
to MBIM. This fix adds the required desciptor
to mbim usb enumerations.

Change-Id: I9c5adf3f704ef20cb7729639ae6d787f219d711d
CRs-Fixed: 432633
Signed-off-by: Bar Weiner <bweiner@codeaurora.org>
2 files changed