Don't put abi dumps in subfolders
diff --git a/scripts/abi_check.py b/scripts/abi_check.py
index a25c85f..a5ef7e6 100755
--- a/scripts/abi_check.py
+++ b/scripts/abi_check.py
@@ -211,8 +211,8 @@
         must have been built."""
         for mbed_module, module_path in version.modules.items():
             output_path = os.path.join(
-                self.report_dir, version.version, "{}-{}.dump".format(
-                    mbed_module, version.revision
+                self.report_dir, "{}-{}-{}.dump".format(
+                    mbed_module, version.revision, version.version
                 )
             )
             abi_dump_command = [