x86/mm: Correct fixmap header usage on adaptable MODULES_END

This patch removes fixmap header usage on non-x86 code that was
introduced by the adaptable MODULE_END change.

Signed-off-by: Thomas Garnier <[e-mail]>
Cc: Andrew Morton <[e-mail]>
Cc: Linus Torvalds <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: [e-mail]
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

arch/x86/include/asm/pgtable_64.h

···
 #include <asm/processor.h>
 #include <linux/bitops.h>
 #include <linux/threads.h>
+#include <asm/fixmap.h>
 
 extern pud_t level3_kernel_pgt[512];
 extern pud_t level3_ident_pgt[512];

arch/x86/kernel/module.c

···
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/setup.h>
-#include <asm/fixmap.h>
 
 #if 0
 #define DEBUGP(fmt, ...)				\

arch/x86/mm/dump_pagetables.c

···
 
 #include <asm/kasan.h>
 #include <asm/pgtable.h>
-#include <asm/fixmap.h>
 
 /*
  * The dumper groups pagetable entries of the same type into one, and for

arch/x86/mm/kasan_init_64.c

···
 
 #include <asm/tlbflush.h>
 #include <asm/sections.h>
-#include <asm/fixmap.h>
 
 extern pgd_t early_level4_pgt[PTRS_PER_PGD];
 extern struct range pfn_mapped[E820_X_MAX];

mm/vmalloc.c

···
 #include <asm/tlbflush.h>
 #include <asm/shmparam.h>
 
-#ifdef CONFIG_X86
-# include <asm/fixmap.h>
-#endif
-
 #include "internal.h"
 
 struct vfree_deferred {