i386: Move mce_disabled to asm/mce.h

From: Rusty Russell <rusty@rustcorp.com.au>
Allows external actors to disable mce.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andi Kleen <ak@suse.de>

===================================================================
---
 arch/i386/kernel/cpu/mcheck/mce.h |    2 +-
 include/asm-i386/mce.h            |    2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

Index: linux/arch/i386/kernel/cpu/mcheck/mce.h
===================================================================
--- linux.orig/arch/i386/kernel/cpu/mcheck/mce.h
+++ linux/arch/i386/kernel/cpu/mcheck/mce.h
@@ -1,4 +1,5 @@
 #include <linux/init.h>
+#include <asm/mce.h>
 
 void amd_mcheck_init(struct cpuinfo_x86 *c);
 void intel_p4_mcheck_init(struct cpuinfo_x86 *c);
@@ -9,6 +10,5 @@ void winchip_mcheck_init(struct cpuinfo_
 /* Call the installed machine check handler for this CPU setup. */
 extern fastcall void (*machine_check_vector)(struct pt_regs *, long error_code);
 
-extern int mce_disabled;
 extern int nr_mce_banks;
 
Index: linux/include/asm-i386/mce.h
===================================================================
--- linux.orig/include/asm-i386/mce.h
+++ linux/include/asm-i386/mce.h
@@ -3,3 +3,5 @@ extern void mcheck_init(struct cpuinfo_x
 #else
 #define mcheck_init(c) do {} while(0)
 #endif
+
+extern int mce_disabled;