target/mips: Add semihosting stub

Since the SEMIHOSTING feature is optional, we need
a stub to link when it is disabled.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240717105723.58965-4-philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240718094523.1198645-11-alex.bennee@linaro.org>
2 files changed