Patch merged into serialice/master: d20332a Fix lua detection

the following patch was just integrated into master:
commit d20332a4a817fc20aa715af2db3212e581c29b28
Author: Kyösti Mälkki 
Date:   Sat Apr 21 21:18:43 2012 +0300

Fix lua detection

With these changes I can used shared lua library.

Change-Id: I8bb19216aaae61fc04554a63e8b65ee84c298af1
    Signed-off-by: Kyösti Mälkki

Build-Tested: build bot (Jenkins) at Sun Apr 22 10:18:43 2012, giving +1
Reviewed-By: Peter Stuge  at Sun Apr 22 16:22:42 2012, giving +2
See http://review.coreboot.org/918 for details.

-gerrit