cmsis importer: add IAR fix for .S files

Author: Martin Kojtal

tools/importer/cmsis_importer.json

@@ -148,7 +148,8 @@
       "fb354752eb69403ad503c8e53da67da6483776d6",
       "08ab8cc47d8722bf0c767990cd615cf1c427d006",
       "00580ce3f5d64b76342b7f26deed55e842056ea0",
-      "c122158d496d59fbd723bdb17bbc7bd5cc95245e"
+      "c122158d496d59fbd723bdb17bbc7bd5cc95245e",
+      "43a86f30450f8e9cec366434f6f752430847b4cf"
     ]
 }