net: mac802154: Enhance the error path in the main tx helper

Before adding more logic in the error path, let's move the wake queue
call there, rename the default label and create an additional one.

There is no functional change.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20220519150516.443078-4-miquel.raynal@bootlin.com


Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>