meta-lenovo: 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: I61c4ac459eac56d5f193b4b725e59f9d5ff36c2a
diff --git a/meta-hr630/conf/layer.conf b/meta-hr630/conf/layer.conf
index 2cec8b5..58bf526 100644
--- a/meta-hr630/conf/layer.conf
+++ b/meta-hr630/conf/layer.conf
@@ -11,4 +11,4 @@
 BBFILE_COLLECTIONS += "hr630-layer"
 BBFILE_PATTERN_hr630-layer = ""
 BBFILE_PRIORITY_hr630-layer = "5"
-LAYERSERIES_COMPAT_hr630-layer = "thud warrior"
+LAYERSERIES_COMPAT_hr630-layer = "dunfell gatesgarth"
diff --git a/meta-hr855xg2/conf/layer.conf b/meta-hr855xg2/conf/layer.conf
index 23d6c7a..8402ee9 100644
--- a/meta-hr855xg2/conf/layer.conf
+++ b/meta-hr855xg2/conf/layer.conf
@@ -11,4 +11,4 @@
 BBFILE_COLLECTIONS += "hr855xg2-layer"
 BBFILE_PATTERN_hr855xg2-layer := "^${LAYERDIR}/"
 BBFILE_PRIORITY_hr855xg2-layer = "5"
-LAYERSERIES_COMPAT_hr855xg2-layer = "thud warrior"
+LAYERSERIES_COMPAT_hr855xg2-layer = "dunfell gatesgarth"