x86: Intel MID platforms has no microcode update

There is no microcode update available for SoCs used on Intel MID
platforms.

Use conditional to bypass it.

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

arch/x86/cpu/mp_init.c

@@ -248,7 +248,8 @@ static int load_sipi_vector(atomic_t **ap_countp, int num_cpus)
 	if (!stack)
 		return -ENOMEM;
 	params->stack_top = (u32)(stack + size);
-#if !defined(CONFIG_QEMU) && !defined(CONFIG_HAVE_FSP)
+#if !defined(CONFIG_QEMU) && !defined(CONFIG_HAVE_FSP) && \
+	!defined(CONFIG_INTEL_MID)
 	params->microcode_ptr = ucode_base;
 	debug("Microcode at %x\n", params->microcode_ptr);
 #endif