Input: st1232 - prefer asynchronous probing

The device may take up to 100ms to become responsive during probe, so
prefer asynchronous probing to avoid delaying the rest of the system.

Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: John Keeping <john@metanate.com>
Link: https://lore.kernel.org/r/20211007111217.1935858-1-john@metanate.com


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>