- Update to version 0.0.0+git.20181227:
* gpio & sync API
* lms7_fe: fix initialization of LMS7
* test_xtrx: fix samplerate output
* refactor test_xtrx
* more refactor of test_xtrx utility; fix previous compilation problem
* add '-o' option to write data to file
* fix logging for multidev mode
* fix include directory for xtrx_fft
* rework logging system
* soapy: setMasterClockRate isn't for refclk
* check refclk if it was set manually
* fix test_xtrx utility to report the correct samplerate
* fix minor problems in test_xtrx
* fix test utility for PCIe
* initial multidev support
* use new LMS7 frontend by default
* use old FE just for now
* update for rev4
* fix incorrect interpolation settings
* add ability to set NCO independently
* fix div by 0
* add clock selection API
* soapy: use getSampleRateRange instead of old function
* soapy: setupStream options
* soapy: hide warnings
* soapy: setSampleRate in case it was never called befor running the
RX stream (fixes some program).
* adopt for new ll-library
* new lml phy code adoptiion