add langdale to compatible layer

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I65febeeec11e6e5b40ee728f42cfbe77023dae1e
diff --git a/meta-inventec/meta-common/conf/layer.conf b/meta-inventec/meta-common/conf/layer.conf
index 6511a3e..acd0b17 100644
--- a/meta-inventec/meta-common/conf/layer.conf
+++ b/meta-inventec/meta-common/conf/layer.conf
@@ -8,4 +8,4 @@
 BBFILE_COLLECTIONS += "common"
 BBFILE_PATTERN_common = "^${LAYERDIR}/"
 BBFILE_PRIORITY_common = "10"
-LAYERSERIES_COMPAT_common = "honister kirkstone"
+LAYERSERIES_COMPAT_common = "kirkstone langdale"