x86: cleanup duplicate includes

Signed-off-by: Joe Perches <joe@perches.com>

 arch/x86/kernel/reboot.c      |    1 -
 include/asm-x86/elf.h         |    5 ++---
 include/asm-x86/posix_types.h |    8 +-------
 include/asm-x86/processor.h   |    3 +--
 include/asm-x86/unistd.h      |    8 +-------
 5 files changed, 5 insertions(+), 20 deletions(-)

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/unistd.h b/include/asm-x86/unistd.h
index 2a58ed3..effc7ad 100644
--- a/include/asm-x86/unistd.h
+++ b/include/asm-x86/unistd.h
@@ -1,11 +1,5 @@
 #ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "unistd_32.h"
-# else
-#  include "unistd_64.h"
-# endif
-#else
-# ifdef __i386__
+# if defined(CONFIG_X86_32) || defined(__i386__)
 #  include "unistd_32.h"
 # else
 #  include "unistd_64.h"