Use gr-osmosdr drivers with SoapySDR (common files)

 The SoapyOsmo project provides SoapySDR hardware support modules using
 drivers in gr-osmosdr. Using this, any program using SoapySDR to
 interface to software defined radio hardware can make use of OsmoSDR,
 Mirics SDR, and RFSpace SDR devices.
 .
 This package contains common files used by the individual driver
 modules.