Add a feature to import DogTag root cert from Salt Mine

This patch adds a posibility to export  DogTag root cert
from Salt Mine

Change-Id: I5d565dd0e516b42f1bcd120708dcbd7a55031cb0
Related-PROD: PROD-16384
diff --git a/tests/pillar/control_single.sls b/tests/pillar/control_single.sls
index 581ede3..0a94c8e 100644
--- a/tests/pillar/control_single.sls
+++ b/tests/pillar/control_single.sls
@@ -4,6 +4,9 @@
     version: ocata
     host_href: ''
     is_proxied: true
+    dogtag_admin_cert:
+      engine: manual
+      key: 'some dogtag key'
     plugin:
       simple_crypto:
         kek: "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXoxMjM0NTY="