Make big-endian aarch64 systems identify as aarch64_be as expected by
big-endian userland and toolchains.
Signed-off-by: NMichael Weiser <michael.weiser@gmx.de>
Reviewed-by: NRichard Henderson <richard.henderson@linaro.org>
Reviewed-by: NLaurent Vivier <laurent@vivier.eu>
Message-id: 20171220212308.12614-3-michael.weiser@gmx.de
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>