ALSA: hda: Add input value sanity checks to HDMI channel map controls

Add a simple sanity check to HD-audio HDMI Channel Map controls.
Although the value might not be accepted for the actual connection, we
can filter out some bogus values beforehand, and that should be enough
for making kselftest happier.

Reviewed-by: Jaroslav Kysela <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
Link: https://lore.kernel.org/[email protected]

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