powerpc: Tidy up dma_map_ops after adding new hook

The new get_required_mask hook name is longer than many of but not all
of the prior ops.  Tidy the struct initializers to align the equal signs
using the local whitespace.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Cc: benh@kernel.crashing.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index c1ad9db..6f04b9c 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -104,13 +104,13 @@
 }
 
 struct dma_map_ops dma_iommu_ops = {
-	.alloc_coherent	= dma_iommu_alloc_coherent,
-	.free_coherent	= dma_iommu_free_coherent,
-	.map_sg		= dma_iommu_map_sg,
-	.unmap_sg	= dma_iommu_unmap_sg,
-	.dma_supported	= dma_iommu_dma_supported,
-	.map_page	= dma_iommu_map_page,
-	.unmap_page	= dma_iommu_unmap_page,
+	.alloc_coherent		= dma_iommu_alloc_coherent,
+	.free_coherent		= dma_iommu_free_coherent,
+	.map_sg			= dma_iommu_map_sg,
+	.unmap_sg		= dma_iommu_unmap_sg,
+	.dma_supported		= dma_iommu_dma_supported,
+	.map_page		= dma_iommu_map_page,
+	.unmap_page		= dma_iommu_unmap_page,
 	.get_required_mask	= dma_iommu_get_required_mask,
 };
 EXPORT_SYMBOL(dma_iommu_ops);