ifupdown2 needs to set fdelay before maxage in bridge mstpctl.py addon module

Ticket: CM-8725
Reviewed By: roopa
Testing Done: tested with user's config on amd64 platform

When setting mstpctl params from user given fdelay and maxage,
ifreload and ifup is setting maxage before fdelay.

Since there is a check for (Bridge Foward Delay - 1 second) >= Bridge Max Age
fdelay must be set before maxage because the fdelay is a default value.

addons/mstpctl.py

@@ -153,8 +153,8 @@ class mstpctl(moduleBase):
     # XXX: This can be encoded in the modules dict above
     _attrs_map = OrderedDict([('mstpctl-treeprio' , 'treeprio'),
                   ('mstpctl-ageing' , 'ageing'),
-                  ('mstpctl-maxage' , 'maxage'),
                   ('mstpctl-fdelay' , 'fdelay'),
+                  ('mstpctl-maxage' , 'maxage'),
                   ('mstpctl-maxhops' , 'maxhops'),
                   ('mstpctl-txholdcount' , 'txholdcount'),
                   ('mstpctl-forcevers', 'forcevers'),