codec2 - add dependency to gcc-libs gnuradio - move fftw, qt5-base, qwt-qt5 from build dependencies to dependencies libiio - add dependencies to libusb, libxml2 and libwinpthread libuhd - add dependency to python
codec2 - add dependency to gcc-libs gnuradio - move fftw, qt5-base, qwt-qt5 from build dependencies to dependencies libiio - add dependencies to libusb, libxml2 and libwinpthread libuhd - add dependency to python