target/loongarch: Add avail_LSX to check LSX instructions

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20230822032724.1353391-15-gaosong@loongson.cn>
Message-Id: <20230822073026.35776-1-philmd@linaro.org>
2 files changed