Added SEGGER RTT files

STM32/CM7/CMakeLists.txt

@@ -60,6 +60,8 @@ target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE
 target_sources(${CMAKE_PROJECT_NAME} PRIVATE
     # Add user sources here
     Core/Src/ring_buffer.c
+    Core/Src/SEGGER_RTT.c
+    Core/Src/SEGGER_RTT_printf.c
 )
 
 # Link directories setup