msm: iommu: Use the generic label property

Use the label property to specify device labels instead of
a vendor-specific property.

Change-Id: I74f3b57db469781f738f0d52c785d992c1e88efb
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
diff --git a/drivers/iommu/msm_iommu_dev-v2.c b/drivers/iommu/msm_iommu_dev-v2.c
index 116563a..14ed5d9 100644
--- a/drivers/iommu/msm_iommu_dev-v2.c
+++ b/drivers/iommu/msm_iommu_dev-v2.c
@@ -192,7 +192,7 @@
 	 */
 	ctx_drvdata->num = ((r->start - rp.start) >> CTX_SHIFT) - 8;
 
-	if (of_property_read_string(pdev->dev.of_node, "qcom,iommu-ctx-name",
+	if (of_property_read_string(pdev->dev.of_node, "label",
 					&ctx_drvdata->name))
 		ctx_drvdata->name = dev_name(&pdev->dev);