drivers: i3c: mcux: Remove infinite wait for MCTRLDONE in auto-IBI

Remove the MCTRLDONE wait in mcux_i3c_request_auto_ibi().
I've seen this code getting stuck where the MCTRLDONE
bit is never set in the MSTATUS register by the controller
and this function spins forever. Documentaiton of the
MCTRLDONE bit only mentions it being set for EmitStartAddr
and ProcessDAA, but not for AutoIBI requests.

All the calls to this function do completion checks
afterwards, and with a timeout, so I believe the MCTRLDONE
check is not needed (and may not even be correct).

Signed-off-by: Mike J. Chen <mjchen@google.com>