Announce change in NEWS


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15343 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/NEWS b/NEWS
index c5eb0c2..3a68948 100644
--- a/NEWS
+++ b/NEWS
@@ -7,6 +7,9 @@
 * s390x: It is now required for the host to have the long displacement
   facility. The oldest supported machine model is z990.
 
+* x86: on an SSE2 only host, Valgrind in 32 bits now claims to be a Pentium 4.
+       3.10.1 was wrongly claiming to be a CORE 2, which is SSSE3.
+
 * ==================== TOOL CHANGES ====================
 
 * Memcheck: