usb: gadget: ncm: Add super speed descriptors for NCM function

This change adds super speed descriptors which is required to
get NCM function to work with SSUSB mode. The burst capability
is not enabled for now.

CRs-Fixed: 804486
Change-Id: I6239ad9e64969afb4e9af87d76837b940c3d1348
Signed-off-by: Mayank Rana <mrana@codeaurora.org>