tests/tcg/nios2: Re-enable linux-user tests

Now that threads and signals have been fixed, re-enable tests.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-9-richard.henderson@linaro.org>
1 file changed