ASoC: codecs: cs4270: fix kernel-doc

Fix W=1 warnings

cs4270.c:508: warning: Function parameter or member 'component' not
described in 'cs4270_probe'
cs4270.c:508: warning: Excess function parameter 'pdev' description in
'cs4270_probe'
cs4270.c:548: warning: Function parameter or member 'component' not
described in 'cs4270_remove'
cs4270.c:548: warning: Excess function parameter 'pdev' description in
'cs4270_remove'

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200701181320.80848-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>