hyld9767: Initial implementation

This driver was developed using the DFRobot Loudness sensor

http://www.dfrobot.com/index.php?route=product/product&product_id=83

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Sisinty Sasmita Patra<sisinty.s.patra@intel.com>

src/upm.h

@@ -278,6 +278,12 @@
  * @ingroup byman
  */
 
+/**
+ * @brief DFRobot
+ * @defgroup dfrobot DFRobot
+ * @ingroup byman
+ */
+
 /**
  * @brief EpicTinker
  * @defgroup epict EpicTinker
@@ -358,4 +364,4 @@
  * @brief Robotics Kit - Sensors for your robot
  * @defgroup robok Robotics Kit
  * @ingroup bykit
- */
+ */