mako: bluetooth: bring up with bluedroid stack

- remove some codes not to be used with bluedroid stack
- add a property to check initialization status of bluetooth
- remove the code to initialize hci_smd driver

Change-Id: I73aa66421ed42bf464f8901b1e0346a9c657c832
Signed-off-by: Iliyan Malchev <malchev@google.com>
3 files changed