server: add auth info to image pull
server: add auth info to image pull

Fix the following upstream k8s's e2e-node test:
```
should be able to pull from private registry with secret [Conformance]
```

Signed-off-by: Antonio Murdaca <f9809039ea4850e75dcb8d80b778844aa463358f@redhat.com>

vbatts/cri-o,umohnani8/cri-o,jwhonce/ocid,vbatts/cri-o,vbatts/cri-o,kubernetes-incubator/ocid,kubernetes-incubator/cri-o,14rcole/cri-o,aweiteka/cri-o,mheon/cri-o,kubernetes-incubator/cri-o,apilloud/cri-o,apilloud/cri-o,mheon/cri-o,rhatdan/cri-o,rhatdan/cri-o,mikebrow/cri-o,rhatdan/cri-o,kubernetes-incubator/cri-o,apilloud/cri-o,jwhonce/ocid,umohnani8/cri-o,umohnani8/cri-o,rhatdan/cri-o,mikebrow/cri-o,nalind/cri-o,vbatts/cri-o,mikebrow/cri-o,kubernetes-incubator/cri-o,14rcole/cri-o,jwhonce/ocid,aweiteka/cri-o,umohnani8/cri-o,nalind/cri-o,kubernetes-incubator/ocid,nalind/cri-o,kubernetes-incubator/ocid,mheon/cri-o,mikebrow/cri-o,aweiteka/cri-o,14rcole/cri-o,14rcole/cri-o,mheon/cri-o