ARM: dts: at91: sama5d27_som1_ek: add an alias for i2c0

Add aliases for i2c devices to not rely on probe order for i2c device
numbering.
Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/20200401221504.41196-5-ludovic.desroches@microchip.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

arch/arm/boot/dts/at91-sama5d27_som1_ek.dts

@@ -20,6 +20,7 @@ aliases {
 		serial0 = &uart1;	/* DBGU */
 		serial1 = &uart4;	/* mikro BUS 1 */
 		serial2 = &uart2;	/* mikro BUS 2 */
+		i2c0	= &i2c0;
 		i2c1	= &i2c1;
 		i2c2	= &i2c2;
 	};