treewide: add scarthgap to LAYERSERIES_COMPAT

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I28ee50fa55ae47dd7fd8c99f8f6db8f5f6dfa53d
diff --git a/meta-ibm/conf/layer.conf b/meta-ibm/conf/layer.conf
index 7f6d27b..a5a880e 100644
--- a/meta-ibm/conf/layer.conf
+++ b/meta-ibm/conf/layer.conf
@@ -7,7 +7,7 @@
 
 BBFILE_COLLECTIONS += "ibm-layer"
 BBFILE_PATTERN_ibm-layer := "^${LAYERDIR}/"
-LAYERSERIES_COMPAT_ibm-layer = "mickledore nanbield"
+LAYERSERIES_COMPAT_ibm-layer = "nanbield scarthgap"
 
 # Only bring in meta-openpower bbappend files if meta-openpower is
 # included in the layer