add langdale to compatible layer

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I65febeeec11e6e5b40ee728f42cfbe77023dae1e
diff --git a/meta-evb/meta-evb-aspeed/meta-evb-ast2600/conf/layer.conf b/meta-evb/meta-evb-aspeed/meta-evb-ast2600/conf/layer.conf
index 359b479..70aa23c 100644
--- a/meta-evb/meta-evb-aspeed/meta-evb-ast2600/conf/layer.conf
+++ b/meta-evb/meta-evb-aspeed/meta-evb-ast2600/conf/layer.conf
@@ -8,4 +8,4 @@
 BBFILE_COLLECTIONS += "meta-evb-ast2600"
 BBFILE_PATTERN_meta-evb-ast2600 = "^${LAYERDIR}/"
 
-LAYERSERIES_COMPAT_meta-evb-ast2600 = "honister kirkstone"
+LAYERSERIES_COMPAT_meta-evb-ast2600 = "kirkstone langdale"