Patch merged into coreboot/master: 58d5e21 x86: garbage collect SMM programs

the following patch was just integrated into master:
commit 58d5e21851ced6b475a87e3a4114b2c7e1125921
Author: Aaron Durbin 
Date:   Fri May 15 15:23:39 2015 -0500

x86: garbage collect SMM programs

The non-module SMM programs were not being garbage collected
    during linking. Do this so that one doesn't have to add dependencies
    for unused functions in SMM.

TEST=Interrogated readelf -e smm.elf on both builds as well as diffed
         the symbol table. Runtime testing was not done.

Change-Id: I31991496d92191e540df6340c587eec09c7022b3
    Signed-off-by: Aaron Durbin 
    Reviewed-on: http://review.coreboot.org/10219
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi

See http://review.coreboot.org/10219 for details.

-gerrit