Change in coreboot[master]: arch/x86/postcar: Use a separate stack for C execution

[Arthur Heymans (Code Review)]

Attention is currently required from: Aaron Durbin.
Hello build bot (Jenkins), Aaron Durbin,

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

https://review.coreboot.org/c/coreboot/+/54298

to look at the new patch set (#4).

Change subject: arch/x86/postcar: Use a separate stack for C execution
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arch/x86/postcar: Use a separate stack for C execution

Add a stack in .bss for C execution. This will make it easier to move
the setup of MTRRs in C code.

Change-Id: I67cbc988051036b1a0519cec9ed614acede31fd7
Signed-off-by: Arthur Heymans 
---
M src/arch/x86/exit_car.S
M src/drivers/intel/fsp1_1/exit_car.S
M src/soc/intel/common/block/cpu/car/exit_car_fsp.S
3 files changed, 20 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/98/54298/4