Stop/cp_stop_check: ArgumentDefaultsHelpFormatter

With RawTextHelpFormatter, the help text is has a right margin and is
therefore easier to view.

Change-Id: I13d9cde391d05738a25414372b199e2047a29bfb
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
diff --git a/bin/plug_ins/Stop/cp_stop_check b/bin/plug_ins/Stop/cp_stop_check
index d736278..53ee946 100755
--- a/bin/plug_ins/Stop/cp_stop_check
+++ b/bin/plug_ins/Stop/cp_stop_check
@@ -40,7 +40,7 @@
     " should stop after any boot test.  If environment variable" +
     " STOP_REST_FAIL is set, OBMC Boot Test will stop if REST commands are" +
     " no longer working.",
-    formatter_class=argparse.RawTextHelpFormatter,
+    formatter_class=argparse.ArgumentDefaultsHelpFormatter,
     prefix_chars='-+')
 
 # The stock_list will be passed to gen_get_options.  We populate it with the names of stock parm options we