Bluetooth: Take advantage of ATOMIC_DEFINE atomic_t based flags

Using ATOMIC_DEFINE removes the risk of the number of flags growing
past 32 and thereby causing an overflow of the flags variable.

Change-Id: Id3679a5a1b567b2681bc5bbd6384ed88478a32d6
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
6 files changed