Add OpenStackSDK as a lib install

This is required to install python-openstacksdk from source for testing
other projects against master.

Change-Id: Iee7b043ac7d381dadf89d26098f69e935ed81d6b
diff --git a/stackrc b/stackrc
index 5ace0fb..00aab8d 100644
--- a/stackrc
+++ b/stackrc
@@ -529,6 +529,10 @@
 GITREPO["osc-lib"]=${OSC_LIB_REPO:-${GIT_BASE}/openstack/osc-lib.git}
 GITBRANCH["osc-lib"]=${OSC_LIB_BRANCH:-master}
 
+# python-openstacksdk OpenStack Python SDK
+GITREPO["python-openstacksdk"]=${OPENSTACKSDK_REPO:-${GIT_BASE}/openstack/python-openstacksdk.git}
+GITBRANCH["python-openstacksdk"]=${OPENSTACKSDK_BRANCH:-master}
+
 # ironic common lib
 GITREPO["ironic-lib"]=${IRONIC_LIB_REPO:-${GIT_BASE}/openstack/ironic-lib.git}
 GITBRANCH["ironic-lib"]=${IRONIC_LIB_BRANCH:-master}