x86, mrst: Fill in PCI functions in x86_init layer

This patch added Moorestown platform specific PCI init functions.
Signed-off-by: NJacob Pan <jacob.jun.pan@intel.com>
LKML-Reference: <43F901BD926A4E43B106BF17856F07559FB80D0A@orsmsx508.amr.corp.intel.com>
Signed-off-by: NH. Peter Anvin <hpa@zytor.com>

arch/x86/include/asm/mrst.h

+/*
+ * mrst.h: Intel Moorestown platform specific setup code
+ *
+ * (C) Copyright 2009 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+#ifndef _ASM_X86_MRST_H
+#define _ASM_X86_MRST_H
+extern int pci_mrst_init(void);
+
+#endif /* _ASM_X86_MRST_H */

arch/x86/kernel/mrst.c

@@ -25,5 +25,8 @@ void __init x86_mrst_early_setup(void)
 	x86_init.resources.probe_roms = x86_init_noop;
 	x86_init.resources.reserve_resources = x86_init_noop;
 
+	x86_init.pci.init = pci_mrst_init;
+	x86_init.pci.fixup_irqs = x86_init_noop;
+
 	legacy_pic = &null_legacy_pic;
 }