ARM: dts: stm32: add pin map for CAN controller on stm32f4

ARM: dts: stm32: add pin map for CAN controller on stm32f4

commit 559a6e75b4bcf0fc9e41d34865e72cf742f67d8e Linux upstream.

Add pin configurations for using CAN controller on stm32f469-disco
board. They are located on the Arduino compatible connector CN5 (CAN1)
and on the extension connector CN12 (CAN2).

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://lore.kernel.org/all/20230328073328.3949796-5-dario.binacchi@amarulasolutions.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>