ASoC: core: Add debug message to find the platform name

Add debug message to find the platform name during failure
scenario.

Change-Id: I7ce5beff6f93e642db765dcb3066b30ed6e7e843
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>
Signed-off-by: Meng Wang <mwang@codeaurora.org>