There was no mariadb replica override for the ingress pod. On AIO-SX
this caused two pods to be scheduled. When anti-affinity was added to
mariadb this broke application-apply on AIO-SX.
The mariadb ingress pod replication will be set to the number of
controllers.
Change-Id: Icf3f1979720629904ca9ddcabf59e8ecfab709e5
Story: 2004520
Task: 29570
Signed-off-by: David Sullivan <david.sullivan@windriver.com>