boards: beagle: beagleplay_cc1352p7: Enable watchdog timer

Enable watchdog timer in the base tree. This is required for
MicroPython.

Signed-off-by: Ayush Singh <ayush@beagleboard.org>

Author: Ayush1325

boards/beagle/beagleplay/beagleplay_cc1352p7.dts

@@ -16,6 +16,7 @@
 	aliases {
 		led0 = &led0;
 		led1 = &led1;
+		watchdog0 = &wdt0;
 	};
 
 	chosen {
@@ -93,3 +94,7 @@
 &ieee802154g {
 	status = "okay";
 };
+
+&wdt0 {
+	status = "okay";
+};