Bluetooth: hci_core: fix typos in macros

Bluetooth: hci_core: fix typos in macros

[ Upstream commit dfef8d87a031ac1a46dde3de804e0fcf3c3a6afd ]

The provided macro parameter is named 'dev' (rather than 'hdev', which
may be a variable on the stack where the macro is used).

Fixes: a9a830a676a9 ("Bluetooth: hci_event: Fix sending HCI_OP_READ_ENC_KEY_SIZE")
Fixes: 6126ffabba6b ("Bluetooth: Introduce HCI_CONN_FLAG_DEVICE_PRIVACY device flag")
Signed-off-by: Christian Eggers <ceggers@arri.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>