Build: Makefile add clean

Makefile

@@ -3,17 +3,20 @@ OCD_BIN=/opt/local/bin/openocd
 OCD_SCRIPTS=/opt/local/share/openocd/scripts
 OCD_BOARD=stm32f4discovery.cfg
 
-PHONY: all compile run
+.PHONY: all compile run clean
 
-all: compile run
+all: run
 
 compile:
 	cmake --build cmake-build-debug --verbose
 
-run:
+run: compile
 	$(OCD_BIN) -s $(OCD_SCRIPTS) -f board/$(OCD_BOARD) \
 	-c "tcl_port disabled" \
 	-c "gdb_port disabled" \
 	-c "program ./cmake-build-debug/raw407cxx.elf" \
 	-c reset \
-	-c shutdown
+	-c shutdown
+
+clean:
+	cmake --build cmake-build-debug --verbose -t clean