Patch merged into coreboot/master: Makefile: Include $(top) in DOTCONFIG definition to allow override

the following patch was just integrated into master:
commit fde3275fb432128dcdd244f598e36692103c2433
Author: Paul Kocialkowski 
Date:   Sun Jul 24 12:25:07 2016 +0200

Makefile: Include $(top) in DOTCONFIG definition to allow override

Including $(top) in the DOTCONFIG definition allows getting rid of the
    $(top) prefix in payloads, which in turns allows providing a full path
    for DOTCONFIG via the command line.

Change-Id: I7546a12cf4a2a146e32fef81121f45f83ba67ac8
    Signed-off-by: Paul Kocialkowski 
    Reviewed-on: https://review.coreboot.org/15826
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Stefan Reinauer 
    Reviewed-by: Patrick Georgi

See https://review.coreboot.org/15826 for details.

-gerrit