Bluetooth: Add SIBS Macro to enable or disable based on a target

Based on a target, the bluetooth chipset can suppourt software
Inband sleep or not. So, SIBS feature should be controllable
to enable or disable base on a target

Change-Id: Ib8c20017f2ddcd22005d361e3b2ad1045e386b4d
CRs-fixed: 549989
btsnoop: Support for virtual sniff functionality

Add Time stamp and direction bit for ACL packets to
enable virtual sniff functionality in Host PC

Change-Id: I85afe0c01161f04ff333dd3fe6d640b437cb2fd9