soc/intel/common/block: Add Intel XHCI driver support

Create sample model for common Intel XHCI driver.

Change-Id: I81f57bc713900c96d998bae924fc4d38a9024fe3
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/18221
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
4 files changed