usb gadget: Add SuperSpeed support to the Gadget Framework

This patch series adds the SuperSpeed functionality to the gadget framework and the dummy_hcd module.
It was verified with unittests and libusb. We're now working on getting legal approval for sharing these tests.

This implementation was also verified with USBCV 3.0 and 2.0 test suites and our DCD that is still under development.

Rebased on top of linux-next/master branch

Tatyana Brokhman (5):
usb: Adding SuperSpeed support to dummy_hcd
usb: Add usb_endpoint_descriptor to be part of the struct usb_ep
usb: Configure endpoint according to gadget speed.
usb: Modify existing gadget drivers to use config_ep_by_speed()
instead of ep_choose.
usb:gadget: Add SuperSpeed support to the Gadget Framework

 drivers/usb/gadget/Kconfig          |   12 +
 drivers/usb/gadget/composite.c      |  444 +++++++++++++++++++++++++++++--
 drivers/usb/gadget/config.c         |   25 --
 drivers/usb/gadget/dbgp.c           |    8 +-
 drivers/usb/gadget/dummy_hcd.c      |  507 ++++++++++++++++++++++++++++++++++-
 drivers/usb/gadget/epautoconf.c     |    1 +
 drivers/usb/gadget/f_acm.c          |   50 +---
 drivers/usb/gadget/f_audio.c        |    5 +-
 drivers/usb/gadget/f_ecm.c          |   54 ++---
 drivers/usb/gadget/f_eem.c          |   36 +--
 drivers/usb/gadget/f_fs.c           |    3 +-
 drivers/usb/gadget/f_hid.c          |   22 +-
 drivers/usb/gadget/f_loopback.c     |   17 +-
 drivers/usb/gadget/f_mass_storage.c |   33 +--
 drivers/usb/gadget/f_obex.c         |   32 +--
 drivers/usb/gadget/f_phonet.c       |   17 +-
 drivers/usb/gadget/f_rndis.c        |   52 ++---
 drivers/usb/gadget/f_serial.c       |   32 +--
 drivers/usb/gadget/f_sourcesink.c   |   14 +-
 drivers/usb/gadget/f_subset.c       |   33 +--
 drivers/usb/gadget/f_uvc.c          |    6 +-
 drivers/usb/gadget/file_storage.c   |    3 +-
 drivers/usb/gadget/gmidi.c          |    6 +-
 drivers/usb/gadget/inode.c          |    6 +-
 drivers/usb/gadget/printer.c        |   26 +-
 drivers/usb/gadget/u_ether.c        |   12 +-
 drivers/usb/gadget/u_ether.h        |    4 -
 drivers/usb/gadget/u_serial.c       |    4 +-
 drivers/usb/gadget/u_serial.h       |    2 -
 include/linux/usb/composite.h       |   55 +++-
 include/linux/usb/gadget.h          |   54 +++-
 31 files changed, 1192 insertions(+), 383 deletions(-)

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