[M] Change in coreboot[master]: mb/emulation/q35: Fix running with qemu-i386 with SMM_TSEG

[Kyösti Mälkki (Code Review)]

Attention is currently required from: Paul Menzel, Angel Pons, Arthur Heymans.

Kyösti Mälkki has uploaded a new patch set (#6) to the change originally created by Arthur Heymans. ( https://review.coreboot.org/c/coreboot/+/55138 )

Change subject: mb/emulation/q35: Fix running with qemu-i386 with SMM_TSEG
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mb/emulation/q35: Fix running with qemu-i386 with SMM_TSEG

Depending on whether qemu emulates an amd64 or i386 machine the SMM
save state will differ. The smbase offsets are incompatible between
those save states.

Tested qemu with TSEG now properly relocates smm on both x86_64 and
i386.

TESTED both qemu-system-i386 and qemu-system-amd64 (v5.2) have a
working smihandler.

Change-Id: Ic6994c8d6e10fd06655129dbd801f1f9d5fd639f
Signed-off-by: Arthur Heymans 
---
M src/mainboard/emulation/qemu-q35/cpu.c
1 file changed, 58 insertions(+), 6 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/38/55138/6