x86: cleanup ioremap includes

Get rid of the douplicate define of ISA_START/END_ADDRESS and use the
same headers in 32 and 64 bit code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/mm/ioremap_32.c

@@ -6,18 +6,17 @@
  * (C) Copyright 1995 1996 Linus Torvalds
  */
 
-#include <linux/vmalloc.h>
 #include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/module.h>
 #include <linux/io.h>
-#include <asm/fixmap.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+
 #include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
+#include <asm/e820.h>
+#include <asm/fixmap.h>
 #include <asm/pgtable.h>
-
-#define ISA_START_ADDRESS	0xa0000
-#define ISA_END_ADDRESS		0x100000
+#include <asm/tlbflush.h>
 
 /*
  * Remap an arbitrary physical address space into the kernel virtual

arch/x86/mm/ioremap_64.c

@@ -6,18 +6,17 @@
  * (C) Copyright 1995 1996 Linus Torvalds
  */
 
-#include <linux/vmalloc.h>
 #include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/module.h>
 #include <linux/io.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
 
-#include <asm/pgalloc.h>
-#include <asm/fixmap.h>
-#include <asm/tlbflush.h>
 #include <asm/cacheflush.h>
-#include <asm/proto.h>
 #include <asm/e820.h>
+#include <asm/fixmap.h>
+#include <asm/pgtable.h>
+#include <asm/tlbflush.h>
 
 unsigned long __phys_addr(unsigned long x)
 {