Add recipe for phosphor-dbus-monitor

Add a recipe for the phosphor-dbus-monitor application.

phosphor-dbus-monitor is a YAML driven dbus event -> response
application.

Resolves: openbmc/openbmc#1303

Change-Id: If27ab0b73ec23e9f15150e98d5798a41f28435df
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/classes/phosphor-dbus-monitor.bbclass b/classes/phosphor-dbus-monitor.bbclass
new file mode 100644
index 0000000..da282df
--- /dev/null
+++ b/classes/phosphor-dbus-monitor.bbclass
@@ -0,0 +1 @@
+config_dir="${datadir}/phosphor-dbus-monitor"