x86: spinlock.h: Remove REG_PTR_MODE

REG_PTR_MODE has no users at all.

Signed-off-by: Richard Weinberger <richard@nod.at>
Link: http://lkml.kernel.org/r/1333064283-3109-1-git-send-email-richard@nod.at
Acked-by: Acked-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

arch/x86/include/asm/spinlock.h

@@ -20,10 +20,8 @@
 
 #ifdef CONFIG_X86_32
 # define LOCK_PTR_REG "a"
-# define REG_PTR_MODE "k"
 #else
 # define LOCK_PTR_REG "D"
-# define REG_PTR_MODE "q"
 #endif
 
 #if defined(CONFIG_X86_32) && \