ebizzy.h: mallopt does not exist on uClinux

mallopt does not exist on uClibc, it requires MMU.

Signed-off-by: Marta Rybczynska <marta.rybczynska@kalray.eu>
diff --git a/utils/benchmark/ebizzy-0.3/ebizzy.h b/utils/benchmark/ebizzy-0.3/ebizzy.h
index da1a78c..afc18b5 100644
--- a/utils/benchmark/ebizzy-0.3/ebizzy.h
+++ b/utils/benchmark/ebizzy-0.3/ebizzy.h
@@ -18,7 +18,7 @@
 /*
  * FreeBSD compatibility stuff
  */
-#ifdef _freebsd
+#if defined(_freebsd) || defined(__UCLIBC__)
 #define mallopt(arg1, arg2) do { } while (0);
 #endif