Define CACHE_LINE_SIZE in ut0counter.h to 128 on POWER

Index: mysql-5.6.17/storage/innobase/include/ut0counter.h
===================================================================
--- mysql-5.6.17.orig/storage/innobase/include/ut0counter.h
+++ mysql-5.6.17/storage/innobase/include/ut0counter.h
@@ -32,7 +32,11 @@ Created 2012/04/12 by Sunny Bains
 #include "os0thread.h"
 
 /** CPU cache line size */
+#ifdef __powerpc__
+#define CACHE_LINE_SIZE		128
+#else
 #define CACHE_LINE_SIZE		64
+#endif
 
 /** Default number of slots to use in ib_counter_t */
 #define IB_N_SLOTS		64