Stop detecting 32-bit MIPS host as supported, update the deprecation document. See previous commit for rationale. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-ID: <20251009195210.33161-8-philmd@linaro.org>