Example of enabling watchdog in KL25Z to prevent block of USBSerial when disconecting serial console

Dependencies:   USBDevice mbed

Code is selfdocumented.

I hope you enyoy it

Revision:
0:5ce3cfc57999
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDevice.lib	Sat Nov 21 13:24:29 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/USBDevice/#2af474687369