Virt, DPDK cluster config: Update Perf Profile

Update the PerformanceProfile required when using
DPDK VMs to have `globallyDisableIrqLoadBalancing` enabled.
When this setting is enabled, the packet losses decreases.

Signed-off-by: Orel Misan <omisan@redhat.com>

Author: orelmisan

modules/virt-configuring-cluster-dpdk.adoc

@@ -60,6 +60,7 @@ spec:
   cpu:
     isolated: 4-39,44-79
     reserved: 0-3,40-43
+  globallyDisableIrqLoadBalancing: true
   hugepages:
     defaultHugepagesSize: 1G
     pages: