test: Run patman tests

Update the test script to run the patman tests also.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/run b/test/run
index a12ea31..8f72a1f 100755
--- a/test/run
+++ b/test/run
@@ -19,6 +19,7 @@
 
 PYTHONPATH=build-sandbox_spl/scripts/dtc/pylibfdt run_test \
 	./tools/binman/binman -t
+run_test ./tools/patman/patman --test
 
 if [ $result == 0 ]; then
 	echo "Tests passed!"