First implementation for KPI GUI with Qt5

Authors: Bo Zhao, Marwan Hammouda, Thomas Schlichter (Fraunhofer IIS)

- CMakeLists modification: add QtWidgets library, add new source files, MOC (Meta-Object Compiler) on the given source file
- build_oai modification
- Activate new GUI with Qt on the UE side
- 2 x 3 widget with I/Q sample for PDSCH
- Drop-down list implementation

cmake_targets/build_oai

@@ -53,9 +53,10 @@ BUILD_COVERITY_SCAN=0
 DISABLE_HARDWARE_DEPENDENCY="False"
 CMAKE_BUILD_TYPE="RelWithDebInfo"
 CMAKE_CMD="$CMAKE"
+MAKE_CMD=make
 BUILD_ECLIPSE=0
 NR="False"
-OPTIONAL_LIBRARIES="telnetsrv enbscope uescope nrscope ldpc_cuda ldpc_t1 websrv"
+OPTIONAL_LIBRARIES="telnetsrv enbscope uescope nrscope nrqtscope ldpc_cuda ldpc_t1 websrv"
 RU=0
 CMAKE_C_FLAGS=()
 CMAKE_CXX_FLAGS=()

cmake_targets/tools/build_helper

@@ -551,6 +551,7 @@ check_install_additional_tools (){
     PACKAGE_LIST="\
 	doxygen \
 	libpthread-stubs0-dev \
+	libqt5charts5-dev \
 	tshark \
 	uml-utilities \
         iperf3 \