i3c: dw: Fix clearing queue thld

QUEUE_THLD_CTRL_IBI_STAT_MASK is repeated twice.
Replace with QUEUE_THLD_CTRL_IBI_DATA_MASK.

Signed-off-by: Aniket <aniketmaurya@google.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>