Put dbus monitor policies in one place

To better organize the policies(and the configurations) that are used by
phosphor-dbus-monitor, all of them are now located under the `dbus`
directory. This moves toward a more understandable and centralized
scheme for the recipe(s) used to configure and build
phosphor-dbus-monitor.

Change-Id: I570d8bf97f1a322920bdff9df3e5449eb079e576
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
13 files changed