Change in coreboot[master]: soc/mediatek/mt8195: Turn off L2C SRAM and reconfigure as L2 cache

[Rex-BC Chen (Code Review)]

Attention is currently required from: Hung-Te Lin, Paul Menzel, Yu-Ping Wu, Yidi Lin.
Hello Hung-Te Lin, build bot (Jenkins), Yu-Ping Wu, Yidi Lin,

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

https://review.coreboot.org/c/coreboot/+/52925

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

Change subject: soc/mediatek/mt8195: Turn off L2C SRAM and reconfigure as L2 cache
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soc/mediatek/mt8195: Turn off L2C SRAM and reconfigure as L2 cache

Mediatek SoC uses part of the L2 cache as SRAM before DRAM is ready.
After DRAM is ready, we should invoke disable_l2c_sram to reconfigure
the L2C SRAM as L2 cache.

Signed-off-by: Yidi Lin 
Change-Id: I8777b0c8471fe17ffffdcb6ad5b7c00fb1d35db1
---
M src/soc/mediatek/mt8195/Makefile.inc
A src/soc/mediatek/mt8195/mmu_operations.c
M src/soc/mediatek/mt8195/soc.c
3 files changed, 34 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/25/52925/4