layer.conf: Update for hardknott release series

(From OE-Core rev: d430bf39f2f2ecdf989b33f7405751844d783fc5)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-selftest/conf/layer.conf

@@ -9,4 +9,4 @@ BBFILE_COLLECTIONS += "selftest"
 BBFILE_PATTERN_selftest = "^${LAYERDIR}/"
 BBFILE_PRIORITY_selftest = "5"
 
-LAYERSERIES_COMPAT_selftest = "gatesgarth"
+LAYERSERIES_COMPAT_selftest = "hardknott"

meta-skeleton/conf/layer.conf

@@ -14,4 +14,4 @@ LAYERVERSION_skeleton = "1"
 
 LAYERDEPENDS_skeleton = "core"
 
-LAYERSERIES_COMPAT_skeleton = "gatesgarth"
+LAYERSERIES_COMPAT_skeleton = "hardknott"

meta/conf/layer.conf

@@ -7,12 +7,12 @@ BBFILE_COLLECTIONS += "core"
 BBFILE_PATTERN_core = "^${LAYERDIR}/"
 BBFILE_PRIORITY_core = "5"
 
-LAYERSERIES_CORENAMES = "gatesgarth"
+LAYERSERIES_CORENAMES = "hardknott"
 
 # This should only be incremented on significant changes that will
 # cause compatibility issues with other layers
 LAYERVERSION_core = "12"
-LAYERSERIES_COMPAT_core = "gatesgarth"
+LAYERSERIES_COMPAT_core = "hardknott"
 
 BBLAYERS_LAYERINDEX_NAME_core = "openembedded-core"