[MCXA] I3C example doesn't work

[diondokter]

The very first transaction fails with the InvalidRequest error.

I've found it comes from here:

embassy/embassy-mcxa/src/i3c/controller.rs

Lines 706 to 709 in 224a291

	async fn async_stop(&self, bus_type: BusType) -> Result<(), IOError> {
	if !self.info.regs().mstatus().read().state().is_normact() {
	Err(IOError::InvalidRequest)
	} else {

State is not normact (3), but ibiack (6).

Both the async and the blocking version seem to have this problem.

[diondokter]

@felipebalbi any idea what it could be?

[diondokter]

James has identified it may be a problem with the SWO pin not being correctly disabled

[felipebalbi]

This happens with --release? I noticed that many examples only work in release builds. Couldn't figure out why, yet.