manta: wlan: Turn ON FW watchdog to catch FW hang

Bug: 7324935, 7182748

Change-Id: I950717051b98014bf296a94b5bff1802bb09b79a
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/bcmdhd.cal b/bcmdhd.cal
index d0c321b..514e8c2 100644
--- a/bcmdhd.cal
+++ b/bcmdhd.cal
@@ -100,6 +100,7 @@
 elna2g=0
 elna5g=0
 muxenab=0x10
+deadman_to=0x21000000
 btc_params80=0
 btc_params6=10
 btc_params95=53