nlgpio16: Initial implementation

This is a USB device from Numato Labs that is accessed via a UART.  It
provides 16 GPIO's, 7 of which can be configured as analog inputs.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

src/nlgpio16/pyupm_nlgpio16.i

@@ -0,0 +1,12 @@
+%module pyupm_nlgpio16
+%include "../upm.i"
+%include "carrays.i"
+%include "std_string.i"
+
+%feature("autodoc", "3");
+
+%{
+    #include "nlgpio16.h"
+%}
+%include "nlgpio16.h"
+%array_class(char, charArray);