kolla: Increase resources for nordix-vpod

kolla requires a minimum of 8G RAM on the controller
and at least 40G on the root partition.
See: https://docs.openstack.org/project-deploy-guide/kolla-ansible/victoria/quickstart.html#host-machine-requirements

Change-Id: If3fc4af97ea2db0bd7271914d3bfd82b67ae8791
diff --git a/pods/nordix-vpod1-pdf.yml b/pods/nordix-vpod1-pdf.yml
index a7329ec..dd51c31 100644
--- a/pods/nordix-vpod1-pdf.yml
+++ b/pods/nordix-vpod1-pdf.yml
@@ -65,10 +65,10 @@
       cpus: 4
       cpu_cflags: host-passthrough
       cores: 4
-      memory: 4G
+      memory: 8G
     disks: &disks
       - name: disk1
-        disk_capacity: 30G
+        disk_capacity: 50G
         disk_type: hdd
         disk_interface: sata
         disk_rotation: