Add MCXA577 USB device support#6382
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Adds USB device support for MCXA577's ChipIdea/EHCI USBHS controller, forced to full-speed operation, plus
embassy-usbHID mouse and CDC ACM serial examples.Depends on embassy-rs/nxp-pac#108 for generated MCXA577 USBHS/USBPHY PAC register blocks.
This currently pins
nxp-pactobogdan-petru/nxp-pac@1a3fd38855dc1d9c81c3ecdf7be2188e363180f0so it builds before the PAC PR merges. After embassy-rs/nxp-pac#108 merges, update this PR to the upstreamembassy-rs/nxp-pacrevision.