target/m68k: Check for USER_ONLY definition instead of SOFTMMU one

Since we *might* have user emulation with softmmu,
replace the system emulation check by !user emulation one.

Invert some if() ladders for clarity.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230613133347.82210-4-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
4 files changed