s390/seccomp: add support for system call filtering using BPF

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 76de6b6..107610e 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -124,6 +124,7 @@
 	select GENERIC_TIME_VSYSCALL
 	select GENERIC_CLOCKEVENTS
 	select KTIME_SCALAR if 32BIT
+	select HAVE_ARCH_SECCOMP_FILTER
 
 config SCHED_OMIT_FRAME_POINTER
 	def_bool y