Merge branch 'nfp-add-vepa-and-adapter-selftest-support'

Simon Horman says:

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nfp: add VEPA and adapter selftest support

1. Support for ethtool -t: adapter selftest
2. VEPA mode in HW bridge.
   This supplements existing support for VEB mode.
====================

Link: https://lore.kernel.org/r/20220624073816.1272984-1-simon.horman@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>