### Description Hi If you remove INTERRUPTIN from DEVICE_HAS json configuration, mbed-os compilation is failing: ```` $ mbed compile -t ARM -m NUCLEO_L476RG -v Compile [ 1.0%]: NanostackRfPhyMcr20a.cpp [Error] NanostackRfPhyMcr20a.h@64,0: #135: namespace "mbed" has no member "InterruptIn" [Error] NanostackRfPhyMcr20a.cpp@137,0: #20: identifier "InterruptIn" is undefined ```` ### Issue request type [ ] Question [ ] Enhancement [x] Bug