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-ast2500/conf/layer.conf b/meta-evb/meta-evb-aspeed/meta-evb-ast2500/conf/layer.conf
index f6954ba..79d5c9f 100644
--- a/meta-evb/meta-evb-aspeed/meta-evb-ast2500/conf/layer.conf
+++ b/meta-evb/meta-evb-aspeed/meta-evb-ast2500/conf/layer.conf
@@ -4,4 +4,4 @@
 BBFILE_COLLECTIONS += "evb-ast2500"
 BBFILE_PATTERN_evb-ast2500 = ""
 
-LAYERSERIES_COMPAT_evb-ast2500 = "honister kirkstone"
+LAYERSERIES_COMPAT_evb-ast2500 = "kirkstone langdale"