x86: let intel 64-bit use intel.c

now that arch/x86/kernel/cpu/intel_64.c and
arch/x86/kernel/cpu/intel.c are equal, drop
arch/x86/kernel/cpu/intel_64.c and fix up
the glue.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/bugs.h b/include/asm-x86/bugs.h
index ae514c7..dc60498 100644
--- a/include/asm-x86/bugs.h
+++ b/include/asm-x86/bugs.h
@@ -3,7 +3,7 @@
 
 extern void check_bugs(void);
 
-#ifdef CONFIG_CPU_SUP_INTEL_32
+#if defined(CONFIG_CPU_SUP_INTEL) && defined(CONFIG_X86_32)
 int ppro_with_ram_bug(void);
 #else
 static inline int ppro_with_ram_bug(void) { return 0; }