Split Rocket startup from REST application

Enable drop-in replacement of WSGI application hosts
with PREFERRED_PROVIDER_virtual/obmc-wsgihost.

Change-Id: Ieaa4b17cb4645bfc3224aca2edebb15d023982d5
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/common/recipes-phosphor/interfaces/phosphor-rest/rest-dbus.conf b/common/recipes-phosphor/interfaces/phosphor-rest/rest-dbus.conf
new file mode 100644
index 0000000..a92f0f1
--- /dev/null
+++ b/common/recipes-phosphor/interfaces/phosphor-rest/rest-dbus.conf
@@ -0,0 +1,3 @@
+[Unit]
+Wants=obmc-webserver-pre.target
+Before=obmc-webserver-pre.target