ASoC: Move WM8994 read/write access data into separate file

Makes the WM8994 driver file itself substantially smaller.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

diff --cc sound/soc/codecs/Makefile
Simple merge

diff --cc sound/soc/codecs/wm8994-tables.c
Simple merge

diff --cc sound/soc/codecs/wm8994.c
Simple merge

diff --cc sound/soc/codecs/wm8994.h
Simple merge