dunfell: add support for new layer

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: Iab344dc60d128abaec07b605a777c2ce09b1da0a
diff --git a/conf/layer.conf b/conf/layer.conf
index 0b3f1a8..134e5ef 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -9,4 +9,4 @@
 BBFILE_PATTERN_openpower-layer := "^${LAYERDIR}/"
 LAYERVERSION_openpower-layer = "1"
 LAYERDEPENDS_openpower-layer = "core phosphor-layer aspeed-layer"
-LAYERSERIES_COMPAT_openpower-layer = "warrior zeus"
+LAYERSERIES_COMPAT_openpower-layer = "warrior zeus dunfell"