i40e: delete a stray tab

This return statement is indented one tab too far.  Delete a tab.

Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/aSBqjtA8oF25G1OG@stanley.mountain


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