nr scope as a dynamically loaded shared lib

cmake_targets/CMakeLists.txt

executables/nr-softmodem.c

executables/nr-softmodem.h

executables/nr-uesoftmodem.c

executables/nr-uesoftmodem.h

openair1/PHY/TOOLS/nr_phy_scope.c

openair1/PHY/TOOLS/nr_phy_scope.h

openair1/PHY/TOOLS/phy_scope_interface.c

openair1/PHY/TOOLS/phy_scope_interface.h

targets/RT/USER/lte-softmodem.c

targets/RT/USER/lte-uesoftmodem.c