mainboard/lenovo/t530: Enable PCIe Bridge for discrete graphics

Change-Id: I80f1e27268d0be58514d110611fd3c18cbe81829
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6895
Reviewed-by: Idwer Vollering <vidwer@gmail.com>
Tested-by: build bot (Jenkins)
1 file changed