Add recipe of AGL Demo HMI (Settings)

Add recipe of AGL Demo HMI (Settings)

This recipe is to deliver AGL Demo Platform for
CES2017 AGL Showcase by bitbake integration.

To use hmi of Settings(Date/Wifi/Bluetooth), it should be
installed on the target board at least once afer booting.

The package of application, settings.wgt would be
installed in /usr/AGL/apps on the target board.

To install it, follow these steps from the target console
or remote shell.
      # cd /usr/AGL/apps
      # afm-util install settings.wgt

Change-Id: Ice204d7fd002f4c25f34ae70b38607dc23d85f44
Signed-off-by: Tadao Tanikawa <tanikawa.tadao@jp.panasonic.com>