l298: Initial implementation

This was tested on the RobotBase Dual H-Bridge motor control board.

There are two examples:

l298-example: This example demonstrates using the class to contol one
of the H-Brdges to control a DC motor.

l298-stepper-example: This example demonstrates using the class to
control a 4-wire dual-phase stepper motor.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: John Van Drasek <john.r.van.drasek@intel.com>

src/l298/pyupm_l298.i

@@ -0,0 +1,9 @@
+%module pyupm_l298
+%include "../upm.i"
+
+%feature("autodoc", "3");
+
+%include "l298.h"
+%{
+    #include "l298.h"
+%}