make: add test-murdock target

Makefile.include

@@ -593,8 +593,12 @@ CFLAGS += -include '$(RIOTBUILD_CONFIG_HEADER_C)'
 # include mcuboot support
 include $(RIOTMAKE)/mcuboot.mk
 
+# include Murdock helpers
+include $(RIOTMAKE)/murdock.inc.mk
+
 # Sanity check, 'all' should be the default goal
 ifneq (all, $(.DEFAULT_GOAL))
   $(error .DEFAULT_GOAL := $(.DEFAULT_GOAL))
 endif
+
 endif # BOARD=none

makefiles/murdock.inc.mk

+test-murdock: link
+	cd $(RIOTBASE) && \
+		./.murdock make_test_job \
+		$$(realpath --relative-to $(RIOTBASE) $(APPDIR)) \
+		$(BOARD) \
+		$(HEXFILE)