* [build]: sonic-utilities package now depends on swsssdk; add build dependency
* Now building sonic-utilities Python package in wheel format
* Update sonic-utilities submodule
* Change output wheel name to match proper format
( All device-specific files now reside under /device directory in a <vendor-name>/<platform-string>/<hardware-SKU> directory structure in repo.
* Device-specific files are now packaged into a Debian package (sonic-device-data) and are now installed to /usr/share/sonic/device/<platform-string>/<hardware-SKU>/ directory on switch.
