$(src) is not defined when building directly from the cbfs directory (that is,
when building cbfs as standalone, running make in the cbfs directory), so we
need to define the path to the commonlib include path relative to $(top).
Change-Id: I72e80b030d4a156ec653ded5ab1457b16f612526
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Reviewed-on: http://review.coreboot.org/11706
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
34ce438e6f