test: Run binman tests

Update the test script to run the binman tests also.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/run b/test/run
index 5616097..a12ea31 100755
--- a/test/run
+++ b/test/run
@@ -17,6 +17,9 @@
 # Run tests for the flat DT version of sandbox
 ./test/py/test.py --bd sandbox_flattree --build
 
+PYTHONPATH=build-sandbox_spl/scripts/dtc/pylibfdt run_test \
+	./tools/binman/binman -t
+
 if [ $result == 0 ]; then
 	echo "Tests passed!"
 else