Add the missing license and copyright information which never made it
into the analog driver when the original driver was split in two as part
of the review process.

Link: https://lkml.kernel.org/r/1465582725-30183-3-git-send-email-srinivas.kandagatla@linaro.org
Fixes: 585e881e ("ASoC: codecs: Add msm8916-wcd analog codec")
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>