Change in coreboot[master]: coreboot_tables: Add PCIe info to coreboot table

[Yu-Ping Wu (Code Review)]

Attention is currently required from: Shelley Chen, Hung-Te Lin, Nico Huber, Rex-BC Chen, Julius Werner, Arthur Heymans, Jianjun Wang.
Yu-Ping Wu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63251 )

Change subject: coreboot_tables: Add PCIe info to coreboot table
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Patch Set 18:

(2 comments)

Patchset:

PS9:
> Can we just pass the ctrl_base to libpayload in this patch? Since the mmio_size is not used for Medi […]

I'm fine with that.

File src/lib/coreboot_table.c:

https://review.coreboot.org/c/coreboot/+/63251/comment/38e99c36_3d736db1 
PS12, Line 36: __weak enum cb_err lb_fill_pcie(struct lb_pcie *pcie)
             : {
             : 	return CB_ERR;
             : }
> We do want this function to be general enough to support both x86 and other platforms without ECAM s […]

If we only add 'ctrl_base' (which CONFIG_ECAM_MMCONF_BASE_ADDRESS is not) in this patch, then there should be no default value.