Introducing meta-openpower

OE BSP layer(s) for Phosphor.
diff --git a/conf/layer.conf b/conf/layer.conf
new file mode 100644
index 0000000..a902796
--- /dev/null
+++ b/conf/layer.conf
@@ -0,0 +1,5 @@
+# We have a conf and classes directory, add to BBPATH
+BBPATH .= ":${LAYERDIR}"
+
+BBFILE_COLLECTIONS += "openpower"
+BBFILE_PATTERN_openpower = ""