[coreboot] Patch merged into coreboot/master: 2bdfda7 Detect whether the OXPCIE card is really present while in the ROM stage.

the following patch was just integrated into master:
commit 2bdfda7e68e9a80fd733abfc08b1e382e5f02ac1
Author: Gabe Black 
Date:   Wed Oct 5 01:52:08 2011 -0700

Detect whether the OXPCIE card is really present while in the ROM stage.

Use an int in CAR global data to store whether or not the OXPCIE serial card
    is actually there. Also, time out if the card doesn't show up quickly enough,
    don't continue initialization if it's not there, and don't make the
    initialization routine default to a card if none is found.

Change-Id: I9c72d3abc6ee2867b77ab2f2180e6f01f647af8c
    Signed-off-by: Gabe Black

Build-Tested: build bot (Jenkins) at Fri Mar  9 16:51:21 2012, giving +1
See http://review.coreboot.org/728 for details.

-gerrit