Change in coreboot[master]: mb/google/cherry: Pre-initialize PCIe at the bootblock stage

[Jianjun Wang (Code Review)]

Attention is currently required from: Hung-Te Lin, Shelley Chen, Paul Menzel, Rex-BC Chen, Angel Pons, Yu-Ping Wu.
Jianjun Wang has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62359 )

Change subject: mb/google/cherry: Pre-initialize PCIe at the bootblock stage
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Patch Set 27:

(4 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/62359/comment/dccae337_389699b5 
PS25, Line 13: wait
> waiting

Done

https://review.coreboot.org/c/coreboot/+/62359/comment/6e6cb71f_3d8e9a70 
PS25, Line 14: assert the pin in bootblock stage
> … which is currently the only function of `mtk_pcie_pre_init()`, so …

Done

https://review.coreboot.org/c/coreboot/+/62359/comment/221a205b_5206320a 
PS25, Line 15: could be avoided
> in romstage (or is it ramstage?) is avoided

Done

File src/mainboard/google/cherry/bootblock.c:

https://review.coreboot.org/c/coreboot/+/62359/comment/20526883_862ba79f 
PS25, Line 6: #include <soc/early_init.h>
> Do we need to include this?

Done