meta-inspur: update Yocto compat for gatesgarth

Since the current release of Yocto is gatesgarth, Add and support for
gatesgarth(current) and dunsfell(previous) in meta-inspur layer.

Also, remove the two earlier releases(warrior and zeus).

Tested: Built successfully on fp5280g2 and on5263m5.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: Id8d2b3dfcbe9fff807782f20bab013a3a8ddec41
diff --git a/conf/layer.conf b/conf/layer.conf
index cbad254..ca10a79 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -7,4 +7,4 @@
 
 BBFILE_COLLECTIONS += "inspur-layer"
 BBFILE_PATTERN_inspur-layer = "^${LAYERDIR}/"
-LAYERSERIES_COMPAT_inspur-layer = "warrior zeus dunfell"
+LAYERSERIES_COMPAT_inspur-layer = "dunfell gatesgarth"
diff --git a/meta-fp5280g2/conf/layer.conf b/meta-fp5280g2/conf/layer.conf
index 10411c2..63ebcb8 100644
--- a/meta-fp5280g2/conf/layer.conf
+++ b/meta-fp5280g2/conf/layer.conf
@@ -7,4 +7,4 @@
 
 BBFILE_COLLECTIONS += "fp5280g2-layer"
 BBFILE_PATTERN_fp5280g2-layer := "^${LAYERDIR}/"
-LAYERSERIES_COMPAT_fp5280g2-layer = "warrior zeus dunfell"
+LAYERSERIES_COMPAT_fp5280g2-layer = "dunfell gatesgarth"
diff --git a/meta-on5263m5/conf/layer.conf b/meta-on5263m5/conf/layer.conf
index eb9464a..fe5d156 100644
--- a/meta-on5263m5/conf/layer.conf
+++ b/meta-on5263m5/conf/layer.conf
@@ -7,4 +7,4 @@
 
 BBFILE_COLLECTIONS += "on5263m5-layer"
 BBFILE_PATTERN_on5263m5-layer = "^${LAYERDIR}/"
-LAYERSERIES_COMPAT_on5263m5-layer = "warrior zeus dunfell"
+LAYERSERIES_COMPAT_on5263m5-layer = "dunfell gatesgarth"