message: sdk: remove empty local_device.cpp when building on dragonboard
diff: @@ -52,8 +52,8 @@ elseif ( UNIX )
  ${CMAKE_CURRENT_SOURCE_DIR}/src/linux/*.h)
  endif()
  -if ( NOT DRAGONBOARD )
  - list(APPEND SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/local_device.cpp)
  +if ( DRAGONBOARD )
  + list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/local_device.cpp)
  endif()
  add_library(${PROJECT_NAME} SHARED
  