soundwire: cadence: remove the repeated declaration

Function 'cdns_reset_page_addr' is declared twice, so remove the
repeated declaration.

Cc: Vinod Koul <vkoul@kernel.org>
Cc: Bard Liao <yung-chuan.liao@linux.intel.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Sanyog Kale <sanyog.r.kale@intel.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/1622114698-7943-1-git-send-email-zhangshaokun@hisilicon.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>