layer.conf: Add blacksail YP 6.1 support

Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

conf/layer.conf

@@ -9,6 +9,6 @@ BBFILE_COLLECTIONS += "swupdate"
 BBFILE_PATTERN_swupdate := "^${LAYERDIR}/"
 BBFILE_PRIORITY_swupdate = "6"
 
-LAYERSERIES_COMPAT_swupdate = "whinlatter wrynose"
+LAYERSERIES_COMPAT_swupdate = "whinlatter wrynose blacksail"
 
 LAYERDEPENDS_swupdate = "openembedded-layer"