net: ethernet: SP7021: Fix spelling mistake "Interrput" -> "Interrupt"

There is a spelling mistake in a dev_dbg message. Fix it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20220511104448.150800-1-colin.i.king@gmail.com


Signed-off-by: Paolo Abeni <pabeni@redhat.com>