accel/tcg: Remove #ifdef TARGET_I386 from perf.c

accel/tcg: Remove #ifdef TARGET_I386 from perf.c

Preparation for moving perf.c to tcg/.

This affects only profiling guest code, which has code in a non-0 based
segment, e.g., 16-bit code, which is not particularly important.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20231212003837.64090-4-iii@linux.ibm.com>
Message-Id: <20240125054631.78867-4-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>