x86: ivybridge: Drop the special PCI driver

There is nothing special about the ivybridge pci driver now, so just use
the generic one.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

arch/x86/cpu/ivybridge/Makefile

@@ -15,7 +15,6 @@ obj-y += model_206ax.o
 obj-y += microcode_intel.o
 obj-y += northbridge.o
 obj-y += pch.o
-obj-y += pci.o
 obj-y += report_platform.o
 obj-y += sata.o
 obj-y += sdram.o

arch/x86/cpu/ivybridge/pci.c

@@ -1,46 +0,0 @@
-/*
- * Copyright (c) 2011 The Chromium OS Authors.
- * (C) Copyright 2008,2009
- * Graeme Russ, <graeme.russ@gmail.com>
- *
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <dm.h>
-#include <pci.h>
-#include <asm/pci.h>
-#include <asm/post.h>
-#include <asm/arch/bd82x6x.h>
-#include <asm/arch/pch.h>
-
-static int pci_ivybridge_probe(struct udevice *bus)
-{
-	if (!(gd->flags & GD_FLG_RELOC))
-		return 0;
-	post_code(0x50);
-	post_code(0x51);
-
-	return 0;
-}
-
-static const struct dm_pci_ops pci_ivybridge_ops = {
-	.read_config	= pci_x86_read_config,
-	.write_config	= pci_x86_write_config,
-};
-
-static const struct udevice_id pci_ivybridge_ids[] = {
-	{ .compatible = "intel,pci-ivybridge" },
-	{ }
-};
-
-U_BOOT_DRIVER(pci_ivybridge_drv) = {
-	.name		= "pci_ivybridge",
-	.id		= UCLASS_PCI,
-	.of_match	= pci_ivybridge_ids,
-	.ops		= &pci_ivybridge_ops,
-	.probe		= pci_ivybridge_probe,
-};

arch/x86/dts/chromebook_link.dts

@@ -193,7 +193,7 @@
 	};
 
 	pci {
-		compatible = "intel,pci-ivybridge", "pci-x86";
+		compatible = "pci-x86";
 		#address-cells = <3>;
 		#size-cells = <2>;
 		u-boot,dm-pre-reloc;