mem: Don't print out the data of a cache block

This never actually worked since it was printing out only a word
of the cache block and not the entire thing and doubly didn't work
csprintf overrides the %#x specifier and assumes a char* array is
actually a string.

src/mem/cache/blk.hh

@@ -339,8 +339,8 @@ class CacheBlk
           default:    s = 'T'; break; // @TODO add other types
         }
         return csprintf("state: %x (%c) valid: %d writable: %d readable: %d "
-                        "dirty: %d tag: %x data: %x", status, s, isValid(),
-                        isWritable(), isReadable(), isDirty(), tag, *data);
+                        "dirty: %d tag: %x", status, s, isValid(),
+                        isWritable(), isReadable(), isDirty(), tag);
     }
 
     /**