Patch merged into coreboot/master: Makefile.inc: Use $(MAINBOARDDIR)

the following patch was just integrated into master:
commit 2128d625caa4155a73f5b6db23413bddc1d9ab82
Author: Iru Cai 
Date:   Fri Sep 2 16:37:39 2016 +0800

Makefile.inc: Use $(MAINBOARDDIR)

Commit 93ef3ff makes the following only print the part number when
    the ROM is built. In Makefile.inc, $(MAINBOARDDIR) is the variable
    that has the quotes stripped off from $(CONFIG_MAINBOARD_DIR), so
    use it instead of $(MAINBOARD_DIR).

build_complete:: coreboot
            printf "\nBuilt %s (%s)\n" $(MAINBOARD_DIR) \
                    $(CONFIG_MAINBOARD_PART_NUMBER)

Change-Id: I729a583182937db7a926eb75aa28dfb53360046c
    Signed-off-by: Iru Cai 
    Reviewed-on: https://review.coreboot.org/16410
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/16410 for details.

-gerrit