With the extensible sdk we want there to be an error if a task tries to
run without signatures that match locked-sigs.inc. This patch enables
that error.
[YOCTO #9195]
(From OE-Core rev: fad9bbba1154d68b5dc808d2976aa6484cd49c91)
Signed-off-by: Randy Witt <randy.e.witt@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>