meta-evb: prep for new override syntax

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I7a755976c2144356314faef7cf1f226ae18dc884
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 75861bf..b3ef55c 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 = "gatesgarth hardknott"
+LAYERSERIES_COMPAT_meta-evb-ast2600 = "gatesgarth hardknott honister"