sstate: use SSTATE_EXCLUDEDEPS_SYSROOT for skipping *-initial recipes

Use the newly introduced SSTATE_EXCLUDEDEPS_SYSROOT for specifying
the *-initial recipes to be excluded from a recipe sysroot.

(From OE-Core rev: 6706bad52f9311ea79c534ee90014c3216992999)

Signed-off-by: André Draszik <andre.draszik@jci.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/sstate.bbclass

@@ -978,9 +978,6 @@ def setscene_depvalid(task, taskdependees, notneeded, d, log=None):
             # base-passwd/shadow-sysroot don't need their dependencies
             if taskdependees[dep][0].endswith(("base-passwd", "shadow-sysroot")):
                 continue
-            # Nothing need depend on libc-initial/gcc-cross-initial
-            if "-initial" in taskdependees[task][0]:
-                continue
             # Allow excluding certain recursive dependencies. If a recipe needs it should add a
             # specific dependency itself, rather than relying on one of its dependees to pull
             # them in.

meta/conf/layer.conf

@@ -78,5 +78,10 @@ SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS += " \
   weston-init->kbd \
 "
 
+# Nothing needs to depend on libc-initial/gcc-cross-initial
+SSTATE_EXCLUDEDEPS_SYSROOT += "\
+    .*->.*-initial.* \
+"
+
 # We need to keep bitbake tools in PATH
 PATH := "${@os.path.dirname(bb.utils.which(d.getVar('PATH'),'bitbake'))}:${HOSTTOOLS_DIR}"