kernel: make allowlist available cross boot

kernel/selinux/selinux.c

@@ -83,4 +83,10 @@ void setup_selinux() {
             is_domain_permissive = true;
         }
     }
+}
+
+void setenforce(bool enforce) {
+#ifdef CONFIG_SECURITY_SELINUX_DEVELOP
+	selinux_state.enforcing = enforce;
+#endif
 }