Bluetooth: synchronization for name assignment to HCI devices

Bluetooth: synchronization for name assignment to HCI devices

BZ: 36212

Improves readability, changing name to a variable and a macro

Change-Id: I62b9bf349f18d3fa04bd51a9e40171fbe6575bac
Signed-off-by: Raffaele Aquilone <raffaelex.aquilone@intel.com>
Reviewed-on: http://android.intel.com:8080/48832
Reviewed-by: Beldie, OvidiuX <ovidiux.beldie@intel.com>
Reviewed-by: Bransiec, ChristopheX <christophex.bransiec@intel.com>
Reviewed-by: Gros, JulienX <julienx.gros@intel.com>
Reviewed-by: Gross, Mark <mark.gross@intel.com>
Reviewed-by: Kanigeri, Hari K <hari.k.kanigeri@intel.com>
Tested-by: Zurmely, PierreX <pierrex.zurmely@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>