doxygen: add groups for all modules

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

src/gy65/gy65.h

@@ -60,6 +60,11 @@
 
 namespace upm {
 
+/**
+ * @brief GY65 & BPM085 atmospheric pressure sensor library
+ * @defgroup gy65 libupm-gy65
+ */
+
 /**
  * @brief C++ API for GY65/BMP085 chip (Atmospheric Pressure Sensor)
  *
@@ -68,6 +73,7 @@ namespace upm {
  * is a high precision, ultra-low power consumption pressure sensor. It has a
  * range of between 30,000 and 110,000 Pa.
  *
+ * @ingroup gy65
  * @snippet gy65.cxx Interesting
  * @image html bmp085.jpeg
  */

src/gy65/pyupm_gy65.i

@@ -3,9 +3,8 @@
 
 %include "stdint.i"
 
-%feature("autodoc", "3");
-
 %include "gy65.h"
 %{
     #include "gy65.h"
 %}
+