bitbake: data/cooker: Sort output data shown by -e

Displaying the environment data in a sorted manner makes it easier
to compare data between different setups and means you can know
where to find specific entries.

(Bitbake rev: baa417e44b009149eb1dfb07d5a488740b6e68ef)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/data.py

@@ -196,7 +196,7 @@ def emit_env(o=sys.__stdout__, d = init(), all=False):
     keys = sorted((key for key in d.keys() if not key.startswith("__")), key=isfunc)
     grouped = groupby(keys, isfunc)
     for isfunc, keys in grouped:
-        for key in keys:
+        for key in sorted(keys):
             emit_var(key, o, d, all and not isfunc) and o.write('\n')
 
 def exported_keys(d):