bitbake: fetch/git: use enumerate for ud.names

list.index() isn't a particularly efficient operation, so keep track of our
position via enumerate() instead, which is more pythonic as well.

(Bitbake rev: dec6e90a4d27ee335e9c78aeebd277098fec94d1)

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/fetch2/git.py

@@ -173,8 +173,8 @@ class Git(FetchMethod):
         if len(branches) != len(ud.names):
             raise bb.fetch2.ParameterError("The number of name and branch parameters is not balanced", ud.url)
         ud.branches = {}
-        for name in ud.names:
-            branch = branches[ud.names.index(name)]
+        for pos, name in enumerate(ud.names):
+            branch = branches[pos]
             ud.branches[name] = branch
             ud.unresolvedrev[name] = branch