dump: import code from ndndump repository
Code is copied from ndndump:commit:c266031924d723b9a73be29ebb66fd6db26aade5,
with minor changes for removing trailing whitespaces.
Build script is rewritten.
refs #2692
Change-Id: I07eec2f87542f1328b851cc2c4e5c9b6279db7da
diff --git a/tools/dump/tcpdump/README b/tools/dump/tcpdump/README
new file mode 100644
index 0000000..0cfa186
--- /dev/null
+++ b/tools/dump/tcpdump/README
@@ -0,0 +1 @@
+Header files in this directory are borrowed from tcpdump (http://www.tcpdump.org/)