ASoC: codecs: move kcontrols out of codec driver structure

Move kcontrols from codec driver structure to component
driver structure in all WCD, HDMI and WSA drivers.
These changes are in accordance with the upstream changes
in ASoC between Linux-4.4 and Linux-4.9 versions.

Change-Id: I92353fadd4ba932d508d3551fb05d6b138ffd4bb
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>