Patch merged into coreboot/master: Makefile: Update jenkins-build-toolchain to run build tests

the following patch was just integrated into master:
commit 4c3b156a26311fb178a8f0b0c03167dfe403c075
Author: Martin Roth 
Date:   Tue Mar 22 13:05:42 2016 -0600

Makefile: Update jenkins-build-toolchain to run build tests

Add coreboot build tests after running the toolchain build.  This
    verifies that everything still builds with the new toolchain.

Change-Id: Ifa51db897925c0b77791c83bbcbfd75045c907b5
    Signed-off-by: Martin Roth 
    Reviewed-on: https://review.coreboot.org/14156
    Reviewed-by: Stefan Reinauer 
    Tested-by: build bot (Jenkins)

See https://review.coreboot.org/14156 for details.

-gerrit