[S] Change in coreboot[master]: mb/google/rex: Update Rex Flash Layout

[Subrata Banik (Code Review)]

Attention is currently required from: Subrata Banik.

Hello build bot (Jenkins), Tarun Tuli, YH Lin, Jamie Ryu, Kapil Porwal, Ivy Jian, Eric Lai, Tim Wawrzynczak,

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

https://review.coreboot.org/c/coreboot/+/66288

to look at the new patch set (#13).

Change subject: mb/google/rex: Update Rex Flash Layout
......................................................................

mb/google/rex: Update Rex Flash Layout

This patch updates the Rex flash layout to allow CSE Lite FW
update and accommodate multiple ESx SoC stepping blobs.

SI_BIOS:
     RW_SECTION_A/B: Increased by 1.8MB.
     RW_LEGACY: Reduce to 1MB.
     RW_MISC: Reduce to 200KB.

Additionally, moved RW_LEGACY under extended BIOS region.

BUG=b:262868089
TEST=Able to enable CSE update on google/rex and have free space
to add one more PUNIT FW for support different SoC stepping.

Signed-off-by: Subrata Banik 
Change-Id: I6146b36c4ce2c0141277eeb906d6ad1f503f3c78
---
M src/mainboard/google/rex/chromeos.fmd
1 file changed, 32 insertions(+), 8 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/88/66288/13