Add support for ADS7828 I2C A/D Converter.

This commits adds the ability to instantiate ADS7828 device.

Tested:
It has been tested with properly crafted entity-manager config that 
device is being instantiated.

Change-Id: I53b5d734acd9227a28713bb6eb8c5e9efa8a619b
Signed-off-by: Michal Bielecki <michal.bielecki@intel.com>
diff --git a/include/devices.hpp b/include/devices.hpp
index 8882f92..3c8ef21 100644
--- a/include/devices.hpp
+++ b/include/devices.hpp
@@ -78,6 +78,9 @@
          {"ADM1272",
           ExportTemplate("adm1272 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
                          "new_device", "delete_device", false)},
+         {"ADS7828",
+          ExportTemplate("ads7828 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
+                         "new_device", "delete_device", false)},
          {"DPS310",
           ExportTemplate("dps310 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
                          "new_device", "delete_device", false)},