entity-manager: Add max31790 device.

Add support for max31790.

Tested:
Entity-manager can instantiate max31790. The hwmon directory and its
sysfs entries, e.g., fan_input/target and pwm, are created successfully.

Signed-off-by: Scron Chang <Scron.Chang@quantatw.com>
Change-Id: Ia8b548b1242fcd879c0bfd3c4c446cd7c0da1924
diff --git a/include/devices.hpp b/include/devices.hpp
index b506ebf..3b24c2f 100644
--- a/include/devices.hpp
+++ b/include/devices.hpp
@@ -166,5 +166,8 @@
                          "new_device", "delete_device", true)},
          {"DPS800",
           ExportTemplate("dps800 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
+                         "new_device", "delete_device", true)},
+         {"MAX31790",
+          ExportTemplate("max31790 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
                          "new_device", "delete_device", true)}}};
 } // namespace devices