treewide: add scarthgap to LAYERSERIES_COMPAT

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I28ee50fa55ae47dd7fd8c99f8f6db8f5f6dfa53d
diff --git a/meta-ibm/meta-palmetto/conf/layer.conf b/meta-ibm/meta-palmetto/conf/layer.conf
index c670815..3f85ef2 100644
--- a/meta-ibm/meta-palmetto/conf/layer.conf
+++ b/meta-ibm/meta-palmetto/conf/layer.conf
@@ -7,4 +7,4 @@
 
 BBFILE_COLLECTIONS += "palmetto-layer"
 BBFILE_PATTERN_palmetto-layer := "^${LAYERDIR}/"
-LAYERSERIES_COMPAT_palmetto-layer = "mickledore nanbield"
+LAYERSERIES_COMPAT_palmetto-layer = "nanbield scarthgap"