ASoC: mchp-spdifrx: fix spelling mistake "overrrun" -> "overrun"

There is a spelling mistake in a dev_warn message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20201006152024.542418-1-colin.king@canonical.com


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