No root access to mariadb from portal app

Updates to helm charts to include an init container
to set permissions for volume, so that the existing
initialization code when run as a non-root user can
access the volume. this is in combination with
PORTAL-966.

Issue-ID: PORTAL-946
Signed-off-by: SandeepLinux <Sandeep.Shah@att.com>
Change-Id: I63a78dc1ab90914d648b0c1f470d3079eb0ddeba
diff --git a/kubernetes/portal/components/portal-mariadb/values.yaml b/kubernetes/portal/components/portal-mariadb/values.yaml
index 08157f7..40b1775 100644
--- a/kubernetes/portal/components/portal-mariadb/values.yaml
+++ b/kubernetes/portal/components/portal-mariadb/values.yaml
@@ -21,7 +21,8 @@
   persistence: {}
   readinessRepository: oomk8s
   readinessImage: readiness-check:2.0.0
-
+  busyBoxImage: busybox:1.30
+  busyBoxRepository: docker.io
 
 # application image
 repository: nexus3.onap.org:10001