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

[ Upstream commit 2e1614f7

 ]

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 <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Stable-dep-of: 59b047bc

 ("Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE")
Signed-off-by: Sasha Levin <sashal@kernel.org>