Change in coreboot[master]: soc/mediatek/mt8186: add GIC pre-initialization function

[Yu-Ping Wu (Code Review)]

Attention is currently required from: Hung-Te Lin, Rex-BC Chen.
Yu-Ping Wu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/59252 )

Change subject: soc/mediatek/mt8186: add GIC pre-initialization function
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Patch Set 2:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/59252/comment/7fc5595d_24a9485b 
PS2, Line 9: (
One space before "(".

https://review.coreboot.org/c/coreboot/+/59252/comment/2fcda448_f21ffbcf 
PS2, Line 9: GIC(generic interrupt controller) defines architectural
           : requirements for handling all interrupt sources and common
           : interrupt controller programming interface.
           : GIC needs to be pre-initialized on MT8186, so we add this
           : initialize function.
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