cuboxi-common: update environment

1. update init
2. remove unused stuff
3. move wlan and bt binaries to vendor
4. fix code style
5. change kernel path
5. etc

Signed-off-by: Humberto Borba <humberos@gmail.com>
Change-Id: I5389adc0954d9459fa818c92bef8f3d12f5ed859