Introducing meta-aspeed

OE BSP layer supporting Aspeed SOCs for Phosphor.
diff --git a/meta-ast2400/conf/layer.conf b/meta-ast2400/conf/layer.conf
new file mode 100644
index 0000000..ce5a49b
--- /dev/null
+++ b/meta-ast2400/conf/layer.conf
@@ -0,0 +1,9 @@
+# We have a conf and classes directory, add to BBPATH
+BBPATH .= ":${LAYERDIR}"
+
+# We have a recipes-* directories, add to BBFILES
+BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \
+	${LAYERDIR}/recipes-*/*/*.bbappend"
+
+BBFILE_COLLECTIONS += "ast2400"
+BBFILE_PATTERN_ast2400 = ""