Input: ims-pcu - fix calling interruptible mutex

Input: ims-pcu - fix calling interruptible mutex

Fix calling scoped_cond_guard() with mutex instead of mutex_intr.

scoped_cond_guard(mutex, ...) will call mutex_lock() instead of
mutex_lock_interruptible().

Fixes: 703f12672e1f ("Input: ims-pcu - switch to using cleanup functions")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240910-input-misc-ims-pcu-fix-mutex-intr-v1-1-bdd983685c43@baylibre.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>