Test for data scanning of RPLidar A2M8

Revision:
0:439469932304
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json	Thu Mar 25 10:11:59 2021 +0000
@@ -0,0 +1,3 @@
+{
+    "requires" : ["bare-metal"]
+}
\ No newline at end of file