dragonboard: add stress testcase

lichee/buildroot/target/dragonboard/src/testcases/Makefile

@@ -39,3 +39,4 @@ all:
 	make -C hcitools
 	make -C getevent
 	make -C sensorhubtester
+	make -C stress

lichee/buildroot/target/dragonboard/src/testcases/stress/Makefile

@@ -0,0 +1,24 @@
+
+# define sources root directory before everything
+SRC_ROOT := ../..
+
+# change compiler and linker option before you include rule.mk
+#
+# link to libscript.a when you need to fetch configuration
+# from test_script
+#
+#CFLAGS := $(CFLAGS) -g
+LDFLAGS := -lscript
+
+# include rule.mk
+include $(SRC_ROOT)/rule.mk
+
+# define objects collection variable
+
+# add your target(s) to all
+.PHONY: all
+all: 
+
+# define you target, the target will be output to dragonboard/output/bin
+# directory
+	cp stress $(BINDIR)/