"Fix" static initialization order fiasco

that's bad. within the runtime library, the call to TORCH_LIBRARY in
register_trt_op.cpp relies on the fact that TRTEngine is already
registrered, which is done through another static object initialization,
in a different compilation unit (TRTEngine.cpp)

core/runtime/CMakeLists.txt

@@ -4,9 +4,9 @@ add_library(${lib_name} OBJECT)
 set(CXX_SRCS 
     "${CMAKE_CURRENT_SOURCE_DIR}/CudaDevice.cpp"
     "${CMAKE_CURRENT_SOURCE_DIR}/DeviceList.cpp"
+    "${CMAKE_CURRENT_SOURCE_DIR}/TRTEngine.cpp"
     "${CMAKE_CURRENT_SOURCE_DIR}/register_trt_op.cpp"
     "${CMAKE_CURRENT_SOURCE_DIR}/runtime.cpp"
-    "${CMAKE_CURRENT_SOURCE_DIR}/TRTEngine.cpp"
 )
 
 set(HEADER_FILES