Fix controller deployment args

Now it works not correct.
```Helm
  set_list {
    name  = "tink.controller.args"
    value = ["--log-level=1"]  # debug
  }
```
Resulted pod:
```yaml
      args:
        - '--namespace=tink-system - --log-level=1'
```

Signed-off-by: Zubarev Alexander <[email protected]>

tinkerbell/tink/templates/tink-controller/deployment.yaml

@@ -30,7 +30,7 @@ spec:
           - --namespace={{ .Release.Namespace }}
           {{- end }}
           {{- range .Values.controller.args }}
-            - {{ . }}
+          - {{ . }}
           {{- end }}
           name: {{ .Values.controller.name }}
           resources: