treewide: remove gategarth from layer-support
We've typically kept these LAYERSERIES_COMPAT to 2 releases: the current
and the upcoming. Remove 'gatesgarth' is it is now 2 releases back.
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I5e812a94fed1738898af75c0fdee81996a5bbf20
diff --git a/meta-phosphor/conf/layer.conf b/meta-phosphor/conf/layer.conf
index 7835456..7e510ea 100644
--- a/meta-phosphor/conf/layer.conf
+++ b/meta-phosphor/conf/layer.conf
@@ -8,7 +8,7 @@
BBFILE_COLLECTIONS += "phosphor-layer"
BBFILE_PATTERN_phosphor-layer := "^${LAYERDIR}/"
LAYERVERSION_phosphor-layer = "1"
-LAYERSERIES_COMPAT_phosphor-layer = "gatesgarth hardknott honister"
+LAYERSERIES_COMPAT_phosphor-layer = "hardknott honister"
IMAGE_FEATURES[validitems] += "tools-profile"