Recognize the UDC for the Sharp LH7A40x chips (ARMv4t SOCs)
  - define gadget_is_lh7a40x() macro
  - gadget drivers use it to assign bcdDevice
  - supports CDC Ethernet (and RNDIS)

From: Bo Henriksen
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>