util/scripts/testsoc: Only select mainboards

The testsoc script was pulling in odd results when the -K option matched
options in sources, Makefiles, and device trees.  Adding another grep to
limit the list to just Kconfig matches ensures that only actual
mainboards are built.

TEST="./util/testsoc -K PICASSO" no longer tries to build mainboard "0"

Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: I3860df4520a5594fb9c1a06e75487520b7d5d275
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72655
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions