Change in coreboot[master]: drivers/intel/fsp2_0: Add preload_fspm and preload_fsps

[Raul Rangel (Code Review)]

Attention is currently required from: Tim Wawrzynczak, Andrey Petrov, Patrick Rudolph.
Hello Tim Wawrzynczak, Andrey Petrov, Patrick Rudolph,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/58987

to look at the new patch set (#3).

Change subject: drivers/intel/fsp2_0: Add preload_fspm and preload_fsps
......................................................................

drivers/intel/fsp2_0: Add preload_fspm and preload_fsps

In the non-XIP world, FSP is normally memmapped and then decompressed.
The AMD SPI DMA controller can actually read faster than mmap. So by
reading the contents into a buffer and then decompressing we reduce boot
time.

BUG=b:179699789
TEST=Boot guybrush and see 30ms reduction in boot time

Signed-off-by: Raul E Rangel 
Change-Id: I28d7530ae9e50f743e3d6c86a5a29b1fa85cacb6
---
M src/drivers/intel/fsp2_0/include/fsp/api.h
M src/drivers/intel/fsp2_0/memory_init.c
M src/drivers/intel/fsp2_0/silicon_init.c
3 files changed, 20 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/87/58987/3