soc/intel/quark: Add EHCI errata

Move the EHCI errata from QuarkFSP into coreboot.

TEST=Build and run on Galileo Gen2

Change-Id: I424ffd81643fbba9c820b5a8a6809b9412965f8d
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/14940
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@google.com>
1 file changed