i2c: at91: add advanced digital filtering support for SAMA5D4

I2C/TWI IP variant found in SAMA5D4 supports advanced digital filtering,
even though, at the time of this patch, it is not present in Datasheet.

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

Author: Codrin Ciubotariu

drivers/i2c/busses/i2c-at91-core.c

@@ -120,6 +120,7 @@ static struct at91_twi_pdata sama5d4_config = {
 	.clk_offset = 4,
 	.has_hold_field = true,
 	.has_dig_filtr = true,
+	.has_adv_dig_filtr = true,
 };
 
 static struct at91_twi_pdata sama5d2_config = {