check-config.sh: add SELinux and AppArmor

This commit adds the check of SELinux and AppArmor as optional features.

Signed-off-by: Kenta Tada <Kenta.Tada@sony.com>

contrib/check-config.sh

@@ -301,6 +301,8 @@ flags=(
 	IP_VS_PROTO_TCP
 	IP_VS_PROTO_UDP
 	IP_VS_RR
+	SECURITY_SELINUX
+	SECURITY_APPARMOR
 )
 check_flags "${flags[@]}"