ARM: dts: imx6qdl-phytec: add missing pmic MFD subdevices

phyFLEX PMIC DA9063 has also RTC and watchdog support. Add both
MFD subdevices so they can be used.
Signed-off-by: NAndrej Picej <andrej.picej@norik.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi

@@ -205,6 +205,14 @@
 				regulator-always-on;
 			};
 		};
+
+		da9063_rtc: rtc {
+			compatible = "dlg,da9063-rtc";
+		};
+
+		da9063_wdog: watchdog {
+			compatible = "dlg,da9063-watchdog";
+		};
 	};
 };