Cleanup and updates to physical podconfigs

Change-Id: Iefdb3e39d9aaa1343e40b0b9131d0f0c6b2cadd1
diff --git a/podconfig/rcord-physical-example.yml b/podconfig/physical-example.yml
similarity index 89%
rename from podconfig/rcord-physical-example.yml
rename to podconfig/physical-example.yml
index 2a63216..2ff1283 100644
--- a/podconfig/rcord-physical-example.yml
+++ b/podconfig/physical-example.yml
@@ -13,11 +13,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# rcord-physical-example Pod Config
-# Example configuration for a physical R-CORD pod
+# physical-example Pod Config
+# Example configuration for a physical CORD pod
 
+# The name of the scenario to use, found in the scenarios directory
+# `cord` is the standard CORD POD with XOS, ONOS, MaaS and OpenStack
 cord_scenario: cord
-cord_profile: rcord
+
+# The name of the profile to use, found in the
+# platform-install/profile_manifests directory
+# Example values: `rcord`, `ecord`, `mcord`, `opencloud`
+cord_profile: <must_be_set>
 
 # Bring up the corddev VM. This is the `build` node as specified in ansible
 # inventory below.
@@ -107,6 +113,10 @@
 #  - 'interface_config'
 
 # Inventory for ansible, used to generate inventory.ini
+#
+# A physical podconfig must contain this, and will minimally set the head node
+# address in the `head` section..
+#
 # There must be config, build, head, and compute sections
 inventory_groups:
 
diff --git a/podconfig/rcord-mock.yml b/podconfig/rcord-mock.yml
index 1ece4c5..f1b38e6 100644
--- a/podconfig/rcord-mock.yml
+++ b/podconfig/rcord-mock.yml
@@ -1,4 +1,4 @@
-
+---
 # Copyright 2017-present Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,9 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
----
-# mock-rcord Pod Config
+# rcord-mock Pod Config
 # Creates a single-node mock R-CORD pod
 
 cord_scenario: mock
diff --git a/podconfig/rcord-single.yml b/podconfig/rcord-single.yml
index 9c4298a..7efb1da 100644
--- a/podconfig/rcord-single.yml
+++ b/podconfig/rcord-single.yml
@@ -1,4 +1,4 @@
-
+---
 # Copyright 2017-present Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,8 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
----
 # rcord-single Pod Config
 # Creates a single-node mock R-CORD pod w/synchronizers