ARM: dts: at91: ethernut5: use TCB0 as timers

Use tcb0 for timers as selected in at91_dt_defconfig.

Cc: Martin Reimann <martin.reimann@egnite.de>
Cc: Tim Schendekehl <tim.schendekehl@egnite.de>
Acked-by: NNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>

arch/arm/boot/dts/ethernut5.dts

@@ -36,6 +36,18 @@
 				status = "okay";
 			};
 
+			tcb0: timer@fffa0000 {
+				timer@0 {
+					compatible = "atmel,tcb-timer";
+					reg = <0>, <1>;
+				};
+
+				timer@2 {
+					compatible = "atmel,tcb-timer";
+					reg = <2>;
+				};
+			};
+
 			usart0: serial@fffb0000 {
 				status = "okay";
 			};