ASoC: codecs: tlv320aic3x: rename probe function

Renamed function to have it free for generic probe.

Signed-off-by: Jiri Prchal <jiri.prchal@aksignal.cz>
Link: https://lore.kernel.org/r/20210406142439.102396-3-jiri.prchal@aksignal.cz


Signed-off-by: Mark Brown <broonie@kernel.org>