x86: efi: payload: Add default TSC frequency in the device tree

It was observed sometimes U-Boot as the EFI payload fails to boot on
QEMU. This is because TSC calibration fails with no valid frequency.
This adds default TSC frequency in the device tree.

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