[L] Change in coreboot[main]: mb/asrock: Add Z87 Extreme4 (Haswell)

[Jan Philipp Groß (Code Review)]

Attention is currently required from: Angel Pons, Nicholas Chin.

Jan Philipp Groß has posted comments on this change by Jan Philipp Groß. ( https://review.coreboot.org/c/coreboot/+/84672?usp=email )

Change subject: mb/asrock: Add Z87 Extreme4 (Haswell)
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Patch Set 5:

(1 comment)

File src/mainboard/asrock/z87_extreme4/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/84672/comment/d83bdfc9_6d4b881a?usp... :
PS1, Line 54: device pci 1c.0 on	 # PCIe Port #1
            : 				subsystemid 0x1849 0x8c10
            : 			end
            : 			device pci 1c.1 on	 # PCIe Port #2
            : 			end
            : 			device pci 1c.2 on	 # PCIe Port #3
            : 				subsystemid 0x1849 0x8c14
            : 			end
            : 			device pci 1c.3 on	 # RP #4: PCIe x1 slot
            : 			end
            : 			device pci 1c.4 on	 # PCIe Port #5
            : 			end
            : 			device pci 1c.5 on	 # PCIe Port #6
            : 			end
            : 			device pci 1c.6 on	 # PCIe Port #7
            : 			end
            : 			device pci 1c.7 on	 # PCIe Port #8
            : 			end
> Enable all in coreboot, populate slots, see which devices exist under there. […]

Have a look at the PCIe RPs now. Looking good?