meta-google: dunfell: add support for new layer

(From meta-google rev: 74821b8be2d4fdeec6d6663147b0016175dae469)

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: Ibf35a67b59b869b3a4d5fb46665a9797119de580
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-google/conf/layer.conf b/meta-google/conf/layer.conf
index 982339c..03f9c68 100644
--- a/meta-google/conf/layer.conf
+++ b/meta-google/conf/layer.conf
@@ -7,4 +7,4 @@
 BBFILE_COLLECTIONS += "google-layer"
 BBFILE_PATTERN_google-layer := "^${LAYERDIR}/"
 LAYERVERSION_google-layer = "1"
-LAYERSERIES_COMPAT_google-layer = "warrior zeus"
+LAYERSERIES_COMPAT_google-layer = "warrior zeus dunfell"