Reflect architectural support for seccomp filter.
Signed-off-by: NWill Drewry <wad@chromium.org>
Signed-off-by: NKees Cook <keescook@chromium.org>
Reviewed-by: NWill Deacon <will.deacon@arm.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>