fix compile issue test=develop (#16447)

cmake/external/ngraph.cmake

@@ -62,6 +62,11 @@ ExternalProject_Add(
     GIT_TAG                  ${NGRAPH_GIT_TAG}
     PREFIX                   ${NGRAPH_SOURCES_DIR}
     UPDATE_COMMAND           ""
+    CMAKE_GENERATOR          ${CMAKE_GENERATOR}
+    CMAKE_GENERATOR_PLATFORM ${CMAKE_GENERATOR_PLATFORM}
+    CMAKE_GENERATOR_TOOLSET  ${CMAKE_GENERATOR_TOOLSET}
+    CMAKE_ARGS               -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
+    CMAKE_ARGS               -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
     CMAKE_ARGS               -DCMAKE_INSTALL_PREFIX=${NGRAPH_INSTALL_DIR}
     CMAKE_ARGS               -DNGRAPH_UNIT_TEST_ENABLE=FALSE
     CMAKE_ARGS               -DNGRAPH_TOOLS_ENABLE=FALSE