ASoC: wm8990: Mark the register map as dirty when powering down
ASoC: wm8990: Mark the register map as dirty when powering down

Otherwise we'll skip sync on resume.

Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@linaro.org>
Acked-by: Charles Keepax <8e4aa0015eb43ed5ca66aaca3fb498609e1e427c@opensource.wolfsonmicro.com>
Cc: 4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@vger.kernel.org

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs