can: j1939: swap addr and pgn in the send example

[ Upstream commit ea780d39b1888ed5afc243c29b23d9bdb3828c7a ]

The address was wrongly assigned to the PGN field and vice versa.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Link: https://lore.kernel.org/r/20201022083708.8755-1-yegorslists@googlemail.com


Fixes: 9d71dd0c ("can: add support of SAE J1939 protocol")
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>