ASoC: rockchip: Revert "ASoC: rockchip: i2s: remove unused variables"

This reverts commit 5938448b99275cba95167c3f9d39ca9225fdad38.

It turns out that the commit that made these variables unused is wrong
so we're about to revert it.  Bring back the variables in prepration.

Signed-off-by: John Keeping <john@metanate.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed