Bluetooth: Controller: Add CTE REQ disable when change PHY to CODED

Accodring to BT 5.3 Core Vol 4, Part E section 7.8.85 the CTE request
procedure has to be disabled as if Host issued the HCI_LE_Connection-
CTE_Request_Enable with enable property set to 0. It means a Controller
should automaticall  disable the procedure.

There were no handling of this part of specification.

Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>