Bluetooth: Remove assignments in if-statements

Remove assignment in if-statements to be consistent with the coding
style.

Signed-off-by: Valentin Ilie <valentin.ilie@gmail.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

diff --cc drivers/bluetooth/ath3k.c
Simple merge

diff --cc drivers/bluetooth/bfusb.c
Simple merge

diff --cc drivers/bluetooth/bluecard_cs.c
Simple merge

diff --cc drivers/bluetooth/bt3c_cs.c
Simple merge

diff --cc drivers/bluetooth/btuart_cs.c
Simple merge

diff --cc drivers/bluetooth/dtl1_cs.c
Simple merge

diff --cc drivers/bluetooth/hci_bcsp.c
Simple merge

diff --cc drivers/bluetooth/hci_h5.c
Simple merge

diff --cc drivers/bluetooth/hci_ldisc.c
Simple merge