Patch merged into coreboot/master: soc/intel/quark: Add USB device port support

the following patch was just integrated into master:
commit fd45658a68fbb55027e73088cd402fe822a6ce96
Author: Lee Leahy 
Date:   Sun May 22 09:55:22 2016 -0700

soc/intel/quark: Add USB device port support

Add initialization for the USB device port.

TEST=Build and run on Galileo Gen2

Change-Id: Icf83747f778f6e1ac976cd448a94311030e79e4f
    Signed-off-by: Lee Leahy 
    Reviewed-on: https://review.coreboot.org/14941
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/14941 for details.

-gerrit