Basic support for Firestone and Garrison systems

Firestone and Garrison are IBM branded OpenPOWER systems.
diff --git a/meta-firestone/recipes-phosphor/skeleton/skeleton.bbappend b/meta-firestone/recipes-phosphor/skeleton/skeleton.bbappend
new file mode 100644
index 0000000..1edbf31
--- /dev/null
+++ b/meta-firestone/recipes-phosphor/skeleton/skeleton.bbappend
@@ -0,0 +1,4 @@
+FILESEXTRAPATHS_append := "${THISDIR}/${PN}:"
+SRC_URI += "file://firestone.patch"
+SRC_URI += "file://poweron.patch"
+SRC_URI += "file://occ-path.patch"