soundwire: cadence: remove useless prototypes

These prototypes are no longer used, remove.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200225170041.23644-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2020-02-25 11:00:39 -06:00 • committed by Vinod Koul
commit eb751d9f1f