mb/asus/p8h61-m_pro: Switch to overridetree setup

Tested with BUILD_TIMELESS=1, coreboot.rom for the Asus P8H61-M PRO
remains identical when not adding the .config file in it.

Change-Id: I443d3823e32a246a89ff12e52a0301b2c252e23b
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54388
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/asus/h61-series/Kconfig b/src/mainboard/asus/h61-series/Kconfig
index 21975cf..4b65654 100644
--- a/src/mainboard/asus/h61-series/Kconfig
+++ b/src/mainboard/asus/h61-series/Kconfig
@@ -33,14 +33,14 @@
 	default "P8H61-M PRO"      if BOARD_ASUS_P8H61_M_PRO
 
 # TODO: remove once all boards use overridetrees
-if BOARD_ASUS_P8H61_M_LX3_R2_0
+if BOARD_ASUS_P8H61_M_LX3_R2_0 || BOARD_ASUS_P8H61_M_PRO
 
 config OVERRIDE_DEVICETREE
 	string
 	default "variants/\$(CONFIG_VARIANT_DIR)/overridetree.cb"
 
 endif
-if !BOARD_ASUS_P8H61_M_LX3_R2_0
+if !BOARD_ASUS_P8H61_M_LX3_R2_0 && !BOARD_ASUS_P8H61_M_PRO
 
 config DEVICETREE
 	string
diff --git a/src/mainboard/asus/h61-series/variants/p8h61-m_pro/devicetree.cb b/src/mainboard/asus/h61-series/variants/p8h61-m_pro/overridetree.cb
similarity index 63%
rename from src/mainboard/asus/h61-series/variants/p8h61-m_pro/devicetree.cb
rename to src/mainboard/asus/h61-series/variants/p8h61-m_pro/overridetree.cb
index b1292e7..d726131 100644
--- a/src/mainboard/asus/h61-series/variants/p8h61-m_pro/devicetree.cb
+++ b/src/mainboard/asus/h61-series/variants/p8h61-m_pro/overridetree.cb
@@ -1,34 +1,10 @@
 ## SPDX-License-Identifier: GPL-2.0-or-later
 
 chip northbridge/intel/sandybridge
-	device cpu_cluster 0 on
-		chip cpu/intel/model_206ax
-			register "acpi_c1" = "1"
-			register "acpi_c2" = "3"
-			register "acpi_c3" = "5"
-			device lapic 0 on end
-			device lapic 0xacac off end
-		end
-	end
 	device domain 0 on
-		device pci 00.0 on end	# Host bridge
-		device pci 01.0 on end	# PCIe bridge for discrete graphics (PCIEX16_1)
-		device pci 02.0 on end	# Internal graphics VGA controller
-
-		chip southbridge/intel/bd82x6x	# Intel Series 6 Cougar Point PCH
-			register "c2_latency" = "0x0065"
+		chip southbridge/intel/bd82x6x
 			register "gen1_dec" = "0x000c0291"	# HWM
-			register "sata_port_map" = "0x33"
-			register "spi_lvscc" = "0x2005"
-			register "spi_uvscc" = "0x2005"
 
-			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 Audio controller
 			device pci 1c.0 on  end	# PCIe x1 Port (PCIEX1_1)
 			device pci 1c.1 on  end	# PCIe x1 Port (PCIEX1_2)
 			device pci 1c.2 on	# Realtek RTL8111E Ethernet Controller
@@ -43,8 +19,7 @@
 			device pci 1c.5 on  end	# ASMedia ASM1062 SATA Controller
 			device pci 1c.6 off end	# Unused PCIe Port
 			device pci 1c.7 off end	# Unused PCIe Port
-			device pci 1d.0 on  end	# USB2 EHCI #1
-			device pci 1e.0 off end	# PCI bridge
+
 			device pci 1f.0 on	# LPC bridge
 				chip superio/nuvoton/nct6776
 					device pnp 2e.0 off end		# Floppy
@@ -101,10 +76,6 @@
 					device pnp 4e.0 on end	# TPM
 				end
 			end
-			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 off end	# Thermal
 		end
 	end
 end