ARM: dts: at91: sama5d27_wlsom1: Add alias for i2c0

wlsom1 has an ATECC608A-TNGTLS Secure Element connected on the i2c0
bus. Add alias for the i2c device to not rely on probe order for the
i2c device numbering.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20200413140922.154886-1-tudor.ambarus@microchip.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi

@@ -17,6 +17,10 @@ / {
 	model = "Microchip SAMA5D27 WLSOM1";
 	compatible = "microchip,sama5d27-wlsom1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
 
+	aliases {
+		i2c0 = &i2c0;
+	};
+
 	clocks {
 		slow_xtal {
 			clock-frequency = <32768>;