Check for pkg-config presence and fail out with actionable message.
BUG=b:302521446
TEST=Build successfully with working pkg-config and failed build with no
pkg-config
Change-Id: I5d604145c919e7f71680d1e095dc68cb21868319
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78191
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
ff63106dec