ARM: dts: at91: sama5d4_xplained: enable I2C advanced digital filter

Enable advanced digital filter on I2C. Set it to 70 ns, which is the
value recommended by the designer of the IP, when its peripheral clock is
100 MHz.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>

Author: Codrin Ciubotariu

arch/arm/boot/dts/at91-sama5d4_xplained.dts

@@ -41,6 +41,7 @@
 
 			i2c0: i2c@f8014000 {
 				i2c-digital-filter;
+				i2c-digital-filter-width-ns = <70>;
 				status = "okay";
 			};