
Add dummy function for swrm_wcd_notify to avoid compilation errors when configuration options 'CONFIG_SOUNDWIRE' and 'CONFIG_SOUNDWIRE_WCD_CTRL' are not selected for a target. Change-Id: Ie12d2df8777934494f0f8607d846e2d1ec49f2a6 Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>