Add build ids for new sniffer firmwares
diff --git a/tools/csr.c b/tools/csr.c
index 5430ece..531bced 100644
--- a/tools/csr.c
+++ b/tools/csr.c
@@ -396,6 +396,12 @@
 	{ 2388, "Sniff 46 (2005-08-17)" },
 	{ 2389, "Sniff 46 (2005-08-17)" },
 	{ 2390, "Sniff 46 (2005-08-17)" },
+	{ 2869, "Sniff 47 (2006-02-15)" },
+	{ 2870, "Sniff 47 (2006-02-15)" },
+	{ 2871, "Sniff 47 (2006-02-15)" },
+	{ 3214, "Sniff 48 (2006-05-16)" },
+	{ 3215, "Sniff 48 (2006-05-16)" },
+	{ 3216, "Sniff 48 (2006-05-16)" },
 	{    0, }
 };