disp: msm: change log level from error to debug for smmu cb not found

This change moves the SMMU context bank not found log from error
to debug as some of the context-banks like nrt-sec/nrt-unsec
are expected to be not available for most of the targets.

Change-Id: If60e83ae8088a484b4ea02f527ce2a8f43573e17
Signed-off-by: Narendra Muppalla <[email protected]>

msm/msm_smmu.c

@@ -416,7 +416,7 @@ static struct device *msm_smmu_device_add(struct device *dev,
 
 	smmu->client = msm_smmu_get_smmu(compat);
 	if (IS_ERR_OR_NULL(smmu->client)) {
-		DRM_ERROR("unable to find domain %d compat: %s\n", domain,
+		DRM_DEBUG("unable to find domain %d compat: %s\n", domain,
 				compat);
 		return ERR_PTR(-ENODEV);
 	}