Change in coreboot[master]: intel/common/../systemagent: Enable MCHBAR in bootblock

[Subrata Banik (Code Review)]

Attention is currently required from: Wonkyu Kim, Angel Pons.
Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63615 )

Change subject: intel/common/../systemagent: Enable MCHBAR in bootblock
......................................................................

Patch Set 4:

(1 comment)

File src/soc/intel/common/block/systemagent/systemagent_early.c:

https://review.coreboot.org/c/coreboot/+/63615/comment/52006c4f_fcfef1a5 
PS4, Line 61: 	sa_set_pci_bar(soc_fixed_pci_resources,
            : 			ARRAY_SIZE(soc_fixed_pci_resources));
can you directly perform the PCI write to set the MCH BAR? you might don't need those resource array.