[S390] smp: remove volatile type quilifier from __cpu_logical_map

Remove pointless qualifier.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
index ec403d4..0cc620a 100644
--- a/arch/s390/include/asm/sigp.h
+++ b/arch/s390/include/asm/sigp.h
@@ -19,7 +19,7 @@
 #include <asm/atomic.h>
 
 /* get real cpu address from logical cpu number */
-extern volatile int __cpu_logical_map[];
+extern int __cpu_logical_map[];
 
 typedef enum
 {