[coreboot] Patch merged into coreboot/master: 1a130dd nvramtool: Unify nvramtool and build_opt_tbl

the following patch was just integrated into master:
commit 1a130dda9fc144e68f2ce79ee3b18e1b2f4db448
Author: Vikram Narayanan 
Date:   Sat Apr 14 15:25:13 2012 +0530

nvramtool: Unify nvramtool and build_opt_tbl

As cmos.layout parsing capabilities are already there in nvramtool,
    use those than using build_opt_tbl.c. Add binary and header file
    generation in nvramtool. Make appropriate changes to Makefile.inc.

Change-Id: Iaf3f5d4f51451aeb33c92800a0c895045f2388cf
    Signed-off-by: Vikram Narayanan

Reviewed-By: Patrick Georgi  at Sat Apr 21 09:36:23 2012, giving +2
See http://review.coreboot.org/898 for details.

-gerrit