add minimal reservations for kube2iam as per:...

add minimal reservations for kube2iam as per: https://github.com/helm/charts/blob/master/stable/kube2iam/values.yaml\#L76-L82

eks-kube2iam.tf

@@ -48,6 +48,18 @@ resource "kubernetes_daemonset" "kube2iam_daemonset" {
               }
             }
           }
+
+          resources {
+            limits {
+              cpu    = "4m"
+              memory = "16Mi"
+            }
+
+            requests {
+              cpu    = "4m"
+              memory = "16Mi"
+            }
+          }
         }
       }
     }