tplgtool2.py: do not silently ignore unsupported "dump type" args

No typo left behind.

Signed-off-by: Marc Herbert <marc.herbert@intel.com>

Author: marc-hb

tools/tplgtool2.py

@@ -1330,6 +1330,7 @@ def main():
         errors = 0
         for f in files:
             tplg = GroupedTplg(tplgFormat.parse_file(f))
+            assert set(dump_types) <= set(supported_dump), f"unsupported type in {dump_types}"
             if 'pcm' in dump_types:
                 tplg.print_pcm_info()
             if 'graph' in dump_types: