Fixed one more issue when linker script path contains spaces

cmake/gcc_stm32.cmake

@@ -150,9 +150,9 @@ FUNCTION(STM32_SET_FLASH_PARAMS TARGET FLASH_SIZE RAM_SIZE)
 
     GET_TARGET_PROPERTY(TARGET_LD_FLAGS ${TARGET} LINK_FLAGS)
     IF(TARGET_LD_FLAGS)
-        SET(TARGET_LD_FLAGS "-T${CMAKE_CURRENT_BINARY_DIR}/${TARGET}_flash.ld ${TARGET_LD_FLAGS}")
+        SET(TARGET_LD_FLAGS "\"-T${CMAKE_CURRENT_BINARY_DIR}/${TARGET}_flash.ld\" ${TARGET_LD_FLAGS}")
     ELSE()
-        SET(TARGET_LD_FLAGS "-T${CMAKE_CURRENT_BINARY_DIR}/${TARGET}_flash.ld")
+        SET(TARGET_LD_FLAGS "\"-T${CMAKE_CURRENT_BINARY_DIR}/${TARGET}_flash.ld\"")
     ENDIF()
     SET_TARGET_PROPERTIES(${TARGET} PROPERTIES LINK_FLAGS ${TARGET_LD_FLAGS})
 ENDFUNCTION()