Bluetooth: Fix support for Read Local Supported Codecs V2

Handling of Read Local Supported Codecs was broken during the
HCI serialization design change patches.

Fixes: d0b13706

 ("Bluetooth: hci_sync: Rework init stages")
Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>