USB mass storage support

[Sascha Hauer]

Hi,

The following adds USB mass storage support to barebox. The patches
are from Rosen Kolev, I am just sending these patches for him because
git send-email does not work for him (yet).

Sascha

Rosen Kolev (3):
      Modified timeout in the ehci-hcd USB host driver.
      Extended USB device matching.
      USB mass storage device driver initial implementation

 drivers/usb/Kconfig             |    2 +
 drivers/usb/Makefile            |    1 +
 drivers/usb/core/usb.c          |   34 +++
 drivers/usb/host/ehci-hcd.c     |    5 +-
 drivers/usb/storage/Kconfig     |    2 +
 drivers/usb/storage/Makefile    |    4 +
 drivers/usb/storage/transport.c |  251 ++++++++++++++++
 drivers/usb/storage/transport.h |   95 ++++++
 drivers/usb/storage/usb.c       |  619 +++++++++++++++++++++++++++++++++++++++
 drivers/usb/storage/usb.h       |   96 ++++++
 include/scsi.h                  |  208 +++++++++++++
 include/usb/usb.h               |   22 ++
 12 files changed, 1337 insertions(+), 2 deletions(-)
 create mode 100644 drivers/usb/storage/Kconfig
 create mode 100644 drivers/usb/storage/Makefile
 create mode 100644 drivers/usb/storage/transport.c
 create mode 100644 drivers/usb/storage/transport.h
 create mode 100644 drivers/usb/storage/usb.c
 create mode 100644 drivers/usb/storage/usb.h
 create mode 100644 include/scsi.h