Added sd-bus service example
Added obmc-phosphor-example-sdbus.
Added sdbus-service class for common logic.
diff --git a/classes/obmc-phosphor-sdbus-service.bbclass b/classes/obmc-phosphor-sdbus-service.bbclass
new file mode 100644
index 0000000..8a9853c
--- /dev/null
+++ b/classes/obmc-phosphor-sdbus-service.bbclass
@@ -0,0 +1,9 @@
+# Common code for applications providing a D-Bus service using sd-bus bindings.
+
+# Class users should define DBUS_SERVICES prior to including.
+
+DEPENDS += "systemd"
+RDEPENDS_${PN} += "libsystemd"
+
+inherit obmc-phosphor-dbus-service
+inherit obmc-phosphor-c-daemon