intel/rangeley: Update UPD_DATA_REGION to support POST-GOLD 2 FSP

Rangeley POST-GOLD 2 FSP added PCIe ports de-emphasis configuration
by UPD input. Update UPD_DATA_REGION structure for matching up this
FSP change.

PcdCustomerRevision is a debugging aid that will be output to debug
message in FSP. When needed, it can be customized by BCT tool for tracking
BCT configurations.

Change-Id: I6d4138c9d8bbb9c89f24c77f976dbc760d626a9b
Signed-off-by: York Yang <york.yang@intel.com>
Reviewed-on: http://review.coreboot.org/8107
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <gaumless@gmail.com>
3 files changed