fwupd: enable fwupd dummy plugin and remote

This is used by tast to test fwupd remote repository implementation
using the dummy plugin.

BUG=b:188440695
TEST=./build_image test

Cq-Depend: chromium:2910260
Change-Id: I12cd30f3a1671c53917002c5218773ee34ac8f4b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/2928967
Tested-by: Daniel Campello <campello@chromium.org>
Auto-Submit: Daniel Campello <campello@chromium.org>
Commit-Queue: Daniel Campello <campello@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed