Remove nyx_device_info_device_t from nyx-lib

- Add NYX_DEVICE_INFO_HARDWARE_ID into nyx_device_info_type_t to enable getting
  hardware ID using nyx_device_info_get_info
- Remove nyx_device_info_get_hardware_id function
- Update nyx-lib version to 4.0.0~rc1

Open-webOS-DCO-1.0-Signed-off-by: Pekka Ropo <pekka.ropo@palm.com>

Change-Id: Ie86806f6a0c2844bd6b405b7d4e49b75afde7ebc