[stable/zed] Add Portworx CSI support (#1441)

\n\nCloses #1440
diff --git a/roles/csi/meta/main.yml b/roles/csi/meta/main.yml
index 8c37342..c2dce15 100644
--- a/roles/csi/meta/main.yml
+++ b/roles/csi/meta/main.yml
@@ -36,6 +36,8 @@
     when: csi_driver == "rbd"
   - role: powerstore_csi
     when: csi_driver == "powerstore"
+  - role: portworx
+    when: csi_driver == "portworx"
   - role: storpool_csi
     when: csi_driver == "storpool"
   - role: ibm_block_csi_driver