Bluetooth: SMP: Convert BT_ERR/BT_DBG to bt_dev_err/bt_dev_dbg

[ Upstream commit 2e1614f ]

This converts instances of BT_ERR and BT_DBG to bt_dev_err and
bt_dev_dbg which can be enabled at runtime when BT_FEATURE_DEBUG is
enabled.

Note: Not all instances could be converted as some are exercised by
selftest.

Signed-off-by: Luiz Augusto von Dentz <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
Stable-dep-of: 59b047b ("Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE")
Signed-off-by: Sasha Levin <[email protected]>

Author: Vudentz