x86: qemu: Create a little more room for U-Boot

We want to enable some of the more interesting bootstd features. Move SPL
up to create some room for the larger U-Boot binary. Also disable
microcode since this is not needed

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
1 file changed