linux-phytec-ti

ASoC: twl4030: Move the ctl cache update local to twl4030_write() function

There's no other users of this functionality, the code can be moved inside
of twl4030_write.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>