sun8i-codec misses a route from ADC to AIF1 Slot 0 ADC. Add it
to the driver to avoid adding it to every dts.
Fixes: eda85d1fee05d ("ASoC: sun8i-codec: Add ADC support for a33") Signed-off-by: Vasily Khoruzhick <[email protected]> Signed-off-by: Mark Brown <[email protected]>