[PATCH 1/2] Fix WM8753 codec device unloading

[Andy Green]

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Somebody in the thread at some point said:

| WM8753 can be connected by either I2C or SPI; do not try to unregister
from
| the buses that are not used.

Both of these are good finds, thanks, I sent them on pending-tracking
and rebased andy-tracking to get them as well.  They're issues in Alsa
stuff, it can make sense to cc Mark Brown who'll take care of them as
well in actual Alsa upstream.

- -Andy
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