meta-ibm: prep for new override syntax

Change-Id: I9116ed7260e369136acb39eec15075db2d4dbeba
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/meta-ibm/meta-romulus/conf/layer.conf b/meta-ibm/meta-romulus/conf/layer.conf
index 2c176f4..efeb24a 100644
--- a/meta-ibm/meta-romulus/conf/layer.conf
+++ b/meta-ibm/meta-romulus/conf/layer.conf
@@ -7,4 +7,4 @@
 
 BBFILE_COLLECTIONS += "romulus-layer"
 BBFILE_PATTERN_romulus-layer := "^${LAYERDIR}/"
-LAYERSERIES_COMPAT_romulus-layer = "gatesgarth hardknott"
+LAYERSERIES_COMPAT_romulus-layer = "gatesgarth hardknott honister"