tools: ynl: store ops in ordered dict to avoid random ordering

When rendering code we should walk the ops in the order in which
they are declared in the spec. This is both more intuitive and
prevents code from jumping around when hashing in the dict changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

tools/net/ynl/ynl-gen-c.py

 #!/usr/bin/env python
 
 import argparse
+import collections
 import jsonschema
 import os
 import yaml
@@ -793,7 +794,7 @@ class Family:
         # list of all operations
         self.msg_list = []
         # dict of operations which have their own message type (have attributes)
-        self.ops = dict()
+        self.ops = collections.OrderedDict()
         self.attr_sets = dict()
         self.attr_sets_list = []