add automatic test appliance for embedded-test.sh

target/appliances/test

@@ -0,0 +1,9 @@
+config ADK_APPLIANCE_TEST
+	prompt "automatic test system appliance"
+	bool
+	select ADK_PACKAGE_ADKTEST
+	select ADK_PACKAGE_UCLIBC_NG_TEST if ADK_PACKAGE_UCLIBC_NG
+	select ADK_PACKAGE_UCLIBC_TEST if ADK_PACKAGE_UCLIBC
+	help
+	  Create a small appliance for automatic testing.
+