dts: common: nordic: Add idleout-supported property

Add property which indicates that PWM instance supports IDLEOUT
feature.

Signed-off-by: Krzysztof Chruściński <[email protected]>

Author: nordic-krch

dts/common/nordic/nrf54lm20a.dtsi

@@ -506,6 +506,7 @@
 				reg = <0xd2000 0x1000>;
 				interrupts = <210 NRF_DEFAULT_IRQ_PRIORITY>;
 				#pwm-cells = <3>;
+				idleout-supported;
 			};
 
 			pwm21: pwm@d3000 {
@@ -514,6 +515,7 @@
 				reg = <0xd3000 0x1000>;
 				interrupts = <211 NRF_DEFAULT_IRQ_PRIORITY>;
 				#pwm-cells = <3>;
+				idleout-supported;
 			};
 
 			pwm22: pwm@d4000 {
@@ -522,6 +524,7 @@
 				reg = <0xd4000 0x1000>;
 				interrupts = <212 NRF_DEFAULT_IRQ_PRIORITY>;
 				#pwm-cells = <3>;
+				idleout-supported;
 			};
 
 			adc: adc@d5000 {

dts/common/nordic/nrf7120_enga.dtsi

@@ -559,6 +559,7 @@
 				interrupts = <210 NRF_DEFAULT_IRQ_PRIORITY>;
 				#pwm-cells = <3>;
 				status = "disabled";
+				idleout-supported;
 			};
 
 			pwm21: pwm@d3000 {
@@ -567,6 +568,7 @@
 				interrupts = <211 NRF_DEFAULT_IRQ_PRIORITY>;
 				#pwm-cells = <3>;
 				status = "disabled";
+				idleout-supported;
 			};
 
 			pwm22: pwm@d4000 {
@@ -575,6 +577,7 @@
 				interrupts = <212 NRF_DEFAULT_IRQ_PRIORITY>;
 				#pwm-cells = <3>;
 				status = "disabled";
+				idleout-supported;
 			};
 
 			adc: adc@d5000 {