add langdale to compatible layer

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I65febeeec11e6e5b40ee728f42cfbe77023dae1e
diff --git a/meta-asrock/conf/layer.conf b/meta-asrock/conf/layer.conf
index 61fc90f..1992e6f 100644
--- a/meta-asrock/conf/layer.conf
+++ b/meta-asrock/conf/layer.conf
@@ -8,4 +8,4 @@
 BBFILE_COLLECTIONS += "asrock-layer"
 BBFILE_PATTERN_asrock-layer = "^${LAYERDIR}/"
 LAYERVERSION_asrock-layer = "1"
-LAYERSERIES_COMPAT_asrock-layer = "honister kirkstone"
+LAYERSERIES_COMPAT_asrock-layer = "kirkstone langdale"