[COMMON] Harmonize resource settings

Update all resource settings to the kubernetes recommended
normalized form. Fix ReadinessCheck resource limits.

Issue-ID: OOM-3273

Change-Id: Ie10903b801e4dc1689bcec092162d711a431a7a6
Signed-off-by: Andreas Geissler <andreas-geissler@telekom.de>
diff --git a/kubernetes/vnfsdk/values.yaml b/kubernetes/vnfsdk/values.yaml
index 6546572..5c6c1db 100644
--- a/kubernetes/vnfsdk/values.yaml
+++ b/kubernetes/vnfsdk/values.yaml
@@ -74,18 +74,18 @@
 resources:
   small:
     limits:
-      cpu: 2000m
-      memory: 4Gi
+      cpu: "2000m"
+      memory: "4Gi"
     requests:
-      cpu: 500m
-      memory: 1Gi
+      cpu: "500m"
+      memory: "1Gi"
   large:
     limits:
-      cpu: 4000m
-      memory: 8Gi
+      cpu: "4000m"
+      memory: "8Gi"
     requests:
-      cpu: 1000m
-      memory: 2Gi
+      cpu: "1000m"
+      memory: "2Gi"
   unlimited: {}
 
 # probe configuration parameters