PowerPC64-be arch support. Qemu ("qppc") platform support.

Change-Id: Ib0a05f9d1b08bacef09f6d7c101391737031ee0d
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/vnet/vnet/map/map.c b/vnet/vnet/map/map.c
index a63122b..3cf5e69 100644
--- a/vnet/vnet/map/map.c
+++ b/vnet/vnet/map/map.c
@@ -17,6 +17,17 @@
 
 #include "map.h"
 
+#ifdef __powerpc64__
+#include <vppinfra/xxhash.h>
+
+static inline u32
+crc_u32(u32 data, u32 value)
+{
+  u64 tmp = ((u64)data<<32) | (u64) value;
+  return (u32) clib_xxhash(tmp);
+}
+#endif
+
 /*
  * This code supports the following MAP modes:
  *