ASoC: pcm3168a: Fix a typo in the name of a constant

There is a typo in PCM1368A_MAX_SYSCLK, it should be PCM3168A_MAX_SYSCLK
(1 and 3 switched in 3168)

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20190722211528.26600-1-christophe.jaillet@wanadoo.fr


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