Import the initial version of sigma_dut open source project

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
diff --git a/sniffer-tshark-hasfields.txt b/sniffer-tshark-hasfields.txt
new file mode 100644
index 0000000..09a8c33
--- /dev/null
+++ b/sniffer-tshark-hasfields.txt
@@ -0,0 +1 @@
+NoA	wifi_p2p.type == 12