Merge branch 'selftests-forwarding-install-two-missing-tests'

Martin Blumenstingl says:

====================
selftests: forwarding: Install two missing tests

For some distributions (e.g. OpenWrt) we don't want to rely on rsync
to copy the tests to the target as some extra dependencies need to be
installed. The Makefile in tools/testing/selftests/net/forwarding
already installs most of the tests.

This series adds the two missing tests to the list of installed tests.
That way a downstream distribution can build a package using this
Makefile (and add dependencies there as needed).
====================

Link: https://lore.kernel.org/r/20220707135532.1783925-1-martin.blumenstingl@googlemail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>