comms/sdrangel: software-defined radio application

Patch for new comms/sdrangel port

Please find attached a new port for comms/sdrangel.

SDRangel is an open-source software-defined radio application supporting
receive and transmit operation with a wide range of SDR hardware.

Features:

• Qt6 GUI
• HackRF support
• RTL-SDR support
• Airspy support
• SoapySDR support
• Audio and DSP plugins

The port has been tested on:

• FreeBSD 15.0-RELEASE amd64

Portlint/portfmt checks have been performed where applicable.

• ran through poudriere added missing dependancies [db]

PR: 297000
Reported by: res2500@ukr.net