boards: intel: adl: Added alias for pwm

Added pwm alias for ADL-N platform.

Signed-off-by: Bindu S <[email protected]>

Author: bindushree98

boards/intel/adl/intel_adl_crb.dts

@@ -17,6 +17,7 @@
 
 	aliases {
 		rtc = &rtc;
+		pwm-test = &pwm0;
 	};
 };