soundwire: intel_init: remove useless test

No need to test link_mask twice
Suggested-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200531182102.27840-4-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/soundwire/intel_init.c

@@ -109,7 +109,7 @@ static struct sdw_intel_ctx
 
 	/* Create SDW Master devices */
 	for (i = 0; i < count; i++) {
-		if (link_mask && !(link_mask & BIT(i))) {
+		if (!(link_mask & BIT(i))) {
 			dev_dbg(&adev->dev,
 				"Link %d masked, will not be enabled\n", i);
 			link++;