Add AKM AK557x Family. A 32-bit differential input A/D converter.

This Adds the AK5572, AK5574, AK5578 series. A 32-bit, 768 kHz sampling, differential input A/D converter for digital audio systems.

The Symbol is the same size, shape and layout for ease of use. Pins have alternative pins included.

SEE AK5572: https://www.akm.com/content/dam/documents/products/audio/audio-adc/ak5572en/ak5572en-en-datasheet.pdf
SEE AK5574: https://www.akm.com/content/dam/documents/products/audio/audio-adc/ak5574en/ak5574en-en-datasheet.pdf
SEE AK5578: https://www.akm.com/content/dam/documents/products/audio/audio-adc/ak5578en/ak5578en-en-datasheet.pdf

AK5572

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AK5574

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AK5578

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