update the thread_radio based on latest definition of SpinelInterface

OpenThread has changed the functions of SpinelInterface, which
causes the build errors of the Thread HAL service. This commit
updates the thread_radio based on the latest definition of
SpinelInterface.

Bug: b/304914440
Test: Build and run Thread stack on cuttlefish.
Change-Id: Ie92aedc925c771748424bdbae0ae1d340b154bb2
2 files changed