ASoC: intel: sof_sdw: Remove duplicate NULL check on adr_link

ASoC: intel: sof_sdw: Remove duplicate NULL check on adr_link

get_dailink_info already checked if the adr_link pointer was NULL so
there is no need to recheck later in sof_card_dai_links_create.

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230808132013.889419-2-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>