bsd-user: Add bsd-mem.c to meson.build

Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182709.4834-8-kariem.taha2.7@gmail.com>
2 files changed