selftests: lib.mk: Also install "config" and "settings"

Installed seccomp tests would time out because the "settings" file was
missing. Install both "settings" (needed for proper test execution) and
"config" (needed for informational purposes) with the other test
targets.
Signed-off-by: NKees Cook <keescook@chromium.org>
Signed-off-by: NShuah Khan <skhan@linuxfoundation.org>

tools/testing/selftests/lib.mk

@@ -100,6 +100,7 @@ define INSTALL_RULE
 	$(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE)
 	$(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
 	$(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE)
+	$(eval INSTALL_LIST = $(wildcard config settings)) $(INSTALL_SINGLE_RULE)
 endef
 
 install: all