treewide: support yocto kirkstone release

* Deprecate N-1 release (hardknott).
* Enable N+1 release (kirkstone).

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I39e027e02dab64b4390b46ffbd9c299c858f403e
diff --git a/meta-supermicro/meta-x11spi/conf/layer.conf b/meta-supermicro/meta-x11spi/conf/layer.conf
index da61bc1..b4ebb00 100644
--- a/meta-supermicro/meta-x11spi/conf/layer.conf
+++ b/meta-supermicro/meta-x11spi/conf/layer.conf
@@ -9,5 +9,5 @@
 BBFILE_PATTERN_x11spi = ""
 
 BBFILE_PRIORITY_x11spi = "5"
-LAYERSERIES_COMPAT_x11spi = "hardknott honister"
+LAYERSERIES_COMPAT_x11spi = "honister kirkstone"