mb/*: Replace SNB PCI devices with references from chipset.cb

Removing default on/off from mainboard devicetrees is left as a follow-up.

Change-Id: I74c34a97ea4340fb11a0db422a48e1418221627e
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69502
Reviewed-by: Jakub Czapiga <jacz@semihalf.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
diff --git a/src/mainboard/google/link/devicetree.cb b/src/mainboard/google/link/devicetree.cb
index 4116188..c5a0a08 100644
--- a/src/mainboard/google/link/devicetree.cb
+++ b/src/mainboard/google/link/devicetree.cb
@@ -21,8 +21,8 @@
 
 	device domain 0 on
 		subsystemid 0x1ae0 0xc000 inherit
-		device pci 00.0 on end # host bridge
-		device pci 02.0 on end # vga controller
+		device ref host_bridge on end # host bridge
+		device ref igd on end # vga controller
 
 		chip southbridge/intel/bd82x6x # Intel Series 6 Cougar Point PCH
 			# GPI routing
@@ -46,24 +46,24 @@
 			# Enable zero-based linear PCIe root port functions
 			register "pcie_port_coalesce" = "true"
 
-			device pci 16.0 on end # Management Engine Interface 1
-			device pci 16.1 off end # Management Engine Interface 2
-			device pci 16.2 off end # Management Engine IDE-R
-			device pci 16.3 off end # Management Engine KT
-			device pci 19.0 off end # Intel Gigabit Ethernet
-			device pci 1a.0 on end # USB2 EHCI #2
-			device pci 1b.0 on end # High Definition Audio
-			device pci 1c.0 off end # PCIe Port #1 (WLAN remapped)
-			device pci 1c.1 off end # PCIe Port #2
-			device pci 1c.2 on end # PCIe Port #3 (WLAN actual)
-			device pci 1c.3 off end # PCIe Port #4
-			device pci 1c.4 off end # PCIe Port #5
-			device pci 1c.5 off end # PCIe Port #6
-			device pci 1c.6 off end # PCIe Port #7
-			device pci 1c.7 off end # PCIe Port #8
-			device pci 1d.0 on end # USB2 EHCI #1
-			device pci 1e.0 off end # PCI bridge
-			device pci 1f.0 on
+			device ref mei1 on end # Management Engine Interface 1
+			device ref mei2 off end # Management Engine Interface 2
+			device ref me_ide_r off end # Management Engine IDE-R
+			device ref me_kt off end # Management Engine KT
+			device ref gbe off end # Intel Gigabit Ethernet
+			device ref ehci2 on end # USB2 EHCI #2
+			device ref hda on end # High Definition Audio
+			device ref pcie_rp1 off end # PCIe Port #1 (WLAN remapped)
+			device ref pcie_rp2 off end # PCIe Port #2
+			device ref pcie_rp3 on end # PCIe Port #3 (WLAN actual)
+			device ref pcie_rp4 off end # PCIe Port #4
+			device ref pcie_rp5 off end # PCIe Port #5
+			device ref pcie_rp6 off end # PCIe Port #6
+			device ref pcie_rp7 off end # PCIe Port #7
+			device ref pcie_rp8 off end # PCIe Port #8
+			device ref ehci1 on end # USB2 EHCI #1
+			device ref pci_bridge off end # PCI bridge
+			device ref lpc on
 				chip drivers/pc80/tpm
 					device pnp 0c31.0 on end
 				end
@@ -75,10 +75,10 @@
 					end
 				end
 			end # LPC bridge
-			device pci 1f.2 on end # SATA Controller 1
-			device pci 1f.3 on end # SMBus
-			device pci 1f.5 off end # SATA Controller 2
-			device pci 1f.6 on end # Thermal
+			device ref sata1 on end # SATA Controller 1
+			device ref smbus on end # SMBus
+			device ref sata2 off end # SATA Controller 2
+			device ref thermal on end # Thermal
 		end
 	end
 end