uboot-phytec

x86: fsp: Allow remembering the location of FSP-S

FSP-S is used by the notify call after it has been used for silicon init.
To avoid having to load it again, add a field to store the location.

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