xbee: Initial implementation

This is a basic serial module that allows access to various XBee
devices via a UART port.  It was tested with the XBee S6B WiFi Module
and the XBee S1 802.14.4 module.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Abhishek Malik <abhishek.malik@intel.com>

src/xbee/jsupm_xbee.i

@@ -0,0 +1,11 @@
+%module jsupm_xbee
+%include "../upm.i"
+%include "carrays.i"
+%include "std_string.i"
+
+%{
+    #include "xbee.h"
+%}
+
+%include "xbee.h"
+%array_class(char, charArray);