Add skeleton classes

A number of classes to be used by recipes pointing to the skeleton
project.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/classes/skeleton-sdbus.bbclass b/meta-phosphor/classes/skeleton-sdbus.bbclass
new file mode 100644
index 0000000..627ce76
--- /dev/null
+++ b/meta-phosphor/classes/skeleton-sdbus.bbclass
@@ -0,0 +1,7 @@
+inherit skeleton
+
+DEPENDS += "systemd"
+
+do_install_append() {
+        oe_runmake install DESTDIR=${D}
+}