ASoC: mediatek: mt8183: move headset jack to card-specific storage

Move headset jack descriptor from module global scope to card-specific
storage to make its ownership more explicit.

Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20190830074240.195166-3-tzungbi@google.com


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