Merge upstream changes from Marlin 2.1.1

buildroot/tests/STM32F103CB_malyan

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+# Build tests for STM32F103CB Malyan M200
+#
+
+# exit on first failure
+set -e
+
+use_example_configs Malyan/M200
+exec_test $1 $2 "Malyan M200" "$3"
+
+# cleanup
+restore_configs