[L] Change in coreboot[main]: soc/mediatek/mt8196: Add GPUEB support

[Andy Hsu (Code Review)]

Attention is currently required from: Hung-Te Lin, Jarried Lin.

Andy Hsu has posted comments on this change by Jarried Lin. ( https://review.coreboot.org/c/coreboot/+/85654?usp=email )

Change subject: soc/mediatek/mt8196: Add GPUEB support
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Patch Set 3:

(1 comment)

File src/soc/mediatek/mt8196/gpueb.c:

https://review.coreboot.org/c/coreboot/+/85654/comment/e60e71a9_e5e6ef58?usp... :
PS2, Line 358: die
> Is the gpueb init flow critical for the device to boot up? If not, I wonder if we can print an error […]

The gpueb init flow is critical for boot up. If issues are not detected at this stage, it will be difficult to identify the problem later in the kernel driver, such as whether it is a firmware load failure or a register setting issue.