Make OSprofiler repo and branch configurable

OSprofiler is now under Oslo:
https://review.openstack.org/#/c/103825/

And we really need this patch to make proper dsvm job for
OSprofiler

Change-Id: I20f59c52c147303de01544dc975a82b4a741a1b9
diff --git a/lib/oslo b/lib/oslo
index 3d6fbb3..6f5c7d1 100644
--- a/lib/oslo
+++ b/lib/oslo
@@ -44,6 +44,7 @@
 GITDIR["oslo.utils"]=$DEST/oslo.utils
 GITDIR["oslo.versionedobjects"]=$DEST/oslo.versionedobjects
 GITDIR["oslo.vmware"]=$DEST/oslo.vmware
+GITDIR["osprofiler"]=$DEST/osprofiler
 GITDIR["pycadf"]=$DEST/pycadf
 GITDIR["stevedore"]=$DEST/stevedore
 GITDIR["taskflow"]=$DEST/taskflow