Load XOS certificates from files rather than embedding in the values file

Change-Id: Iebcba439adfdb8e9358067a0e84ab790b39a17d4
diff --git a/xos-core/pki/xos-CA.pem b/xos-core/pki/xos-CA.pem
new file mode 100644
index 0000000..655dc29
--- /dev/null
+++ b/xos-core/pki/xos-CA.pem
@@ -0,0 +1,23 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----