i3c: master: svc: Receive IBI requests in interrupt context

Moving the job from workqueue to ISR for two reasons.

1. Improve bus utilization.
If the requests are postponed to be received in the workqueue thread,
the SDA line remains low for a long time while the system loading is
high. During this period, the bus is not available for other targets
to raise requests.

2. Ensure prompt response to requests.
For timing-critical requests, the target may encouter a failure or the
event is missed if the request is not received in time.

IBI request is short, ISR can receive the data quickly and then queue a
work to handle it in the bottom half.

Signed-off-by: Stanley Chu <yschu@nuvoton.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20250415051808.88091-2-yschu@nuvoton.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

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