Bluetooth: hci_event: Use of a function table to handle HCI events

This change the use of switch statement to a function table
which is easier to extend and can include min/max length of each HCI
event.

Signed-off-by: Luiz Augusto von Dentz <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>

Author: Vudentz