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/stackrc b/stackrc
index 16621f1..1786a44 100644
--- a/stackrc
+++ b/stackrc
@@ -407,6 +407,10 @@
 GITREPO["oslo.vmware"]=${OSLOVMWARE_REPO:-${GIT_BASE}/openstack/oslo.vmware.git}
 GITBRANCH["oslo.vmware"]=${OSLOVMWARE_BRANCH:-master}
 
+# osprofiler
+GITREPO["osprofiler"]=${OSPROFILER_REPO:-${GIT_BASE}/openstack/osprofiler.git}
+GITBRANCH["osprofiler"]=${OSPROFILER_BRANCH:-master}
+
 # pycadf auditing library
 GITREPO["pycadf"]=${PYCADF_REPO:-${GIT_BASE}/openstack/pycadf.git}
 GITBRANCH["pycadf"]=${PYCADF_BRANCH:-master}