ASoC: sun4i-i2s: Fix WSS and SR fields for the A83t

The A83t has the same bit fields offsets than the A10 and A31, while this
was the first device with the new layout, fix that.

Fixes: 21faaea1 ("ASoC: sun4i-i2s: Add support for A83T")
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://lore.kernel.org/r/d93f0943cc39d880750daf459a0eeab34c63518e.1566242458.git-series.maxime.ripard@bootlin.com


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