mb/facebook/monolith: Make use of the chipset devicetree

Use the references from the chipset devicetree as this makes the
comments superfluous and remove devices which are turned off.

Change-Id: Ib1adeaf4745804dfc91f99fb4e4491b68631202c
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79036
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
diff --git a/src/mainboard/facebook/monolith/devicetree.cb b/src/mainboard/facebook/monolith/devicetree.cb
index 7c4c533..3f71ca9 100644
--- a/src/mainboard/facebook/monolith/devicetree.cb
+++ b/src/mainboard/facebook/monolith/devicetree.cb
@@ -216,30 +216,27 @@
 
 	device cpu_cluster 0 on end
 	device domain 0 on
-		device pci 00.0 on  end # Host Bridge
-		device pci 02.0 on  end # Integrated Graphics Device
-		device pci 04.0 on  end # Thermal Subsystem
-		device pci 08.0 on  end # Gaussian Mixture Model
-		device pci 14.0 on  end # USB xHCI
-		device pci 14.1 on  end # USB xDCI (OTG)
-		device pci 14.2 on  end # Thermal Subsystem
-		device pci 16.0 on  end # Management Engine Interface 1
-		device pci 17.0 on  end # SATA
-		device pci 1c.2 on  end # PCI Express Port 3 x1 baseboard WWAN
-		device pci 1c.5 on  end # PCI Express Port 6 x1 baseboard i210
-		device pci 1d.0 on  end # PCI Express Port 9 x4 FPGA
-		device pci 1e.0 on  end # UART #0
-		device pci 1e.4 on  end # eMMC
-		device pci 1f.0 on  # LPC Interface
+		device ref igpu		on  end
+		device ref sa_thermal	on  end
+		device ref gmm		on  end
+		device ref south_xhci	on  end
+		device ref south_xdci	on  end
+		device ref thermal	on  end
+		device ref heci1	on  end
+		device ref sata		on  end
+		device ref pcie_rp3	on  end # x1 baseboard WWAN
+		device ref pcie_rp6	on  end # x1 baseboard i210
+		device ref pcie_rp9	on  end # x4 FPGA
+		device ref uart0	on  end
+		device ref emmc		on  end
+		device ref lpc_espi	on
 			chip drivers/pc80/tpm
 				device pnp 0c31.0 on end
 			end
-		end # LPC Bridge
-		device pci 1f.1 on  end # P2SB
-		device pci 1f.2 on  end # Power Management Controller
-		device pci 1f.3 on  end # HDA Controller for HDMI only
-		device pci 1f.4 on  end # SMBus
-		device pci 1f.5 on  end # PCH SPI
-		device pci 1f.6 on  end # GbE
+		end
+		device ref hda		on  end # for HDMI only
+		device ref smbus	on  end
+		device ref fast_spi	on  end
+		device ref gbe		on  end
 	end
 end