target/arm: Only link with zlib when TCG is enabled

Since commit 538b764d341 ("target/arm: Move minor arithmetic
helpers out of helper.c") we only use the zlib helpers under
TCG.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-id: 20250513173928.77376-4-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 files changed