Bluetooth: spelling fixes

Fix spelling errors in comments.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --cc net/bluetooth/hci_core.c
Simple merge

diff --cc net/bluetooth/hci_event.c
Simple merge

diff --cc net/bluetooth/hci_sock.c
Simple merge

diff --cc net/bluetooth/l2cap_core.c
Simple merge

diff --cc net/bluetooth/smp.c
Simple merge