ASoC: da7213: move set_sysclk to codec level

Move set_sysclk function to component level, so that it can be used at
both component and DAI level.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Link: https://lore.kernel.org/r/20200511132544.82364-4-sebastian.reichel@collabora.com


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