meta-ingrasys: update Yocto compat for gatesgarth

The next release of Yocto is soon and most of the upstream
layers have switched support strings for it.  Support layer
compat for gatesgarth (current) and dunfell (previous).

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I9460d922b5addc13d31231dcc7d5cdc4ad4d4342
diff --git a/meta-zaius/conf/layer.conf b/meta-zaius/conf/layer.conf
index e9412dd..92c5de5 100644
--- a/meta-zaius/conf/layer.conf
+++ b/meta-zaius/conf/layer.conf
@@ -7,4 +7,4 @@
 
 BBFILE_COLLECTIONS += "zaius"
 BBFILE_PATTERN_zaius := "^${LAYERDIR}/"
-LAYERSERIES_COMPAT_zaius = "warrior zeus dunfell"
+LAYERSERIES_COMPAT_zaius = "dunfell gatesgarth"