x86: ivybridge: Enable PCI in early init

Enable PCI so we can access devices that need to be set up before relocation.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c
index 5863811..ff6b7b3 100644
--- a/arch/x86/cpu/ivybridge/cpu.c
+++ b/arch/x86/cpu/ivybridge/cpu.c
@@ -12,6 +12,7 @@
 
 #include <common.h>
 #include <asm/cpu.h>
+#include <asm/pci.h>
 #include <asm/post.h>
 #include <asm/processor.h>
 
@@ -19,6 +20,7 @@
 
 int arch_cpu_init(void)
 {
+	struct pci_controller *hose;
 	int ret;
 
 	post_code(POST_CPU_INIT);
@@ -28,6 +30,10 @@
 	if (ret)
 		return ret;
 
+	ret = pci_early_init_hose(&hose);
+	if (ret)
+		return ret;
+
 	return 0;
 }