Fix installation of ovs-dpdk service

This patch fixes ovs-dpdk script as options
in DPDK changed and PCI whitelist config changed
from '-w' to '-a' as per [1].

[1] db27370b57

Closes-Bug: #2058372
Change-Id: Iae812a4a255c13a42b2d6a691e265922d220f4c8

ansible/roles/ovs-dpdk/files/ovs-dpdkctl.sh

@@ -47,9 +47,9 @@ function generate_pciwhitelist {
     for nic in $(list_dpdk_nics); do
         address="$(get_value $nic address)"
         if [ "$_Whitelist" == '' ]; then
-            _Whitelist="-w $address"
+            _Whitelist="-a $address"
         else
-            _Whitelist="$_Whitelist -w $address"
+            _Whitelist="$_Whitelist -a $address"
         fi
     done
     echo $_Whitelist
@@ -482,7 +482,7 @@ options:
       - The pci_whitelist allows multiple dpdk primary process to
         utilise different pci devices without resulting in a conflict
         of ownership.
-      - Example: pci_whitelist="-w <pci address 1> -w <pci address 2>"
+      - Example: pci_whitelist="-a <pci address 1> -a <pci address 2>"
       - Default: auto generated form port_mappings.
 EOF
 

releasenotes/notes/bug-2058372-f94889bae9522ae4.yaml

@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    Fix the wrong configuration of the ovs-dpdk service.
+    this breaks the deployment of kolla-ansible.
+    For more details please see `bug 2058372
+    <https://bugs.launchpad.net/kolla-ansible/+bug/2058372>`__.