layer.conf: Mark it scarthgap compatible

Downstream projects need time to switch to opaque
pointers in llvm16 which requires in some cases
significant effort.

Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com>

conf/layer.conf

@@ -7,7 +7,7 @@ BBFILES += "${LAYERDIR}/recipes*/*/*.bb ${LAYERDIR}/recipes*/*/*.bbappend"
 BBFILE_COLLECTIONS += "clang-layer"
 BBFILE_PATTERN_clang-layer := "^${LAYERDIR}/"
 BBFILE_PRIORITY_clang-layer = "7"
-LAYERSERIES_COMPAT_clang-layer = "mickledore nanbield"
+LAYERSERIES_COMPAT_clang-layer = "mickledore nanbield scarthgap"
 LAYERDEPENDS_clang-layer = "core"
 
 BBFILES_DYNAMIC += " \