ASoC: rt1015: Update rt1015 default register value according to spec modification.

Update rt1015 default register value according to spec modification.

Signed-off-by: Jack Yu <jack.yu@realtek.com>
Link: https://lore.kernel.org/r/20200615032433.31061-1-jack.yu@realtek.com


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