New protocol decoder: spdif

libsigrokdecode now supports the spdif decoder.

The Sony/Philips Digital Interface Format (S/PDIF) is a (nowadays standardized in IEC 60958) digital audio protocol that is used in various devices and supported by a number of ICs, such as the TI PCM2707 and many others.

A short description of the protocol is available on the respective wiki page, along with pointers to further reading.

Thanks a lot to Guenther Wenninger for contributing the decoder!

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