ARM: dts: at91-sama5d27_wlsom1: add i2c recovery

Add the i2c gpio pinctrls to support the i2c bus recovery on this board.

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20210117183558.5369-1-nicolas.ferre@microchip.com