ARM: dts: at91: sama5d2: add i2c gpio pinctrl

Add the i2c gpio pinctrls to support the i2c bus recovery

Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
[codrin.ciubotariu@microchip.com: removed gpio pull-ups]
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/20200225155012.22764-4-codrin.ciubotariu@microchip.com


Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>