cr: introduced the macro BITS_PER_ULONG

The macro specifies the size of the machine pointer explicitly.
Signed-off-by: Alexander Kartashov <alekskartashov@parallels.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

arch/x86/include/asm/types.h

@@ -280,4 +280,6 @@ typedef struct {
 
 typedef UserX86RegsEntry UserRegsEntry;
 
+#define BITS_PER_ULONG 64
+
 #endif /* __CR_ASM_TYPES_H__ */