octeontx2-af: Fix 'physical' typos

Fix misspellings of "physical".

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20210127181359.3008316-1-helgaas@kernel.org


Signed-off-by: Jakub Kicinski <kuba@kernel.org>