grovewfs: Initial implementation

This driver implements support for the Grove Water Flow sensor.  It
uses an integrated hall effect sensor, connected to a GPIO configured
as an interrupt, to compute water flow in LPM (Liters Per Minute).

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/grovewfs/pyupm_grovewfs.i

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