target/rx: Use MemOp type in gen_ld[u]() and gen_st() The @size argument is of MemOp type. All callers respect that. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20251009151607.26278-3-philmd@linaro.org>