Bluetooth: Controller: llcp: Make remote CTE REQ to compile with CTE RSP

Part of the CTE request procdure that is related with handling of
remote request should be compiled when CTE RSP is enabled.
Withouth it CTE response will not work. Local CTE request does not
need code reponsible for handling of remote reques.

The commit changes conditional compilation guards.

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