[ARM] add coherent DMA mask for mv643xx_eth

Since commit eb0519b5a1cf, mv643xx_eth is non functional on ARM because
the platform device declaration does not include any coherent DMA mask
and coherent memory allocations fail.

Signed-off-by: Nicolas Pitre <nico@marvell.com>
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c
index 0d88eea..1b22e4a 100644
--- a/arch/arm/mach-mv78xx0/common.c
+++ b/arch/arm/mach-mv78xx0/common.c
@@ -321,6 +321,9 @@
 	.id		= 0,
 	.num_resources	= 1,
 	.resource	= mv78xx0_ge00_resources,
+	.dev		= {
+		.coherent_dma_mask	= 0xffffffff,
+	},
 };
 
 void __init mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data)
@@ -375,6 +378,9 @@
 	.id		= 1,
 	.num_resources	= 1,
 	.resource	= mv78xx0_ge01_resources,
+	.dev		= {
+		.coherent_dma_mask	= 0xffffffff,
+	},
 };
 
 void __init mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data)
@@ -429,6 +435,9 @@
 	.id		= 2,
 	.num_resources	= 1,
 	.resource	= mv78xx0_ge10_resources,
+	.dev		= {
+		.coherent_dma_mask	= 0xffffffff,
+	},
 };
 
 void __init mv78xx0_ge10_init(struct mv643xx_eth_platform_data *eth_data)
@@ -496,6 +505,9 @@
 	.id		= 3,
 	.num_resources	= 1,
 	.resource	= mv78xx0_ge11_resources,
+	.dev		= {
+		.coherent_dma_mask	= 0xffffffff,
+	},
 };
 
 void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data)