ARM: mach-shark: move ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c
index 5cf7f94..ac2873c 100644
--- a/arch/arm/mach-shark/core.c
+++ b/arch/arm/mach-shark/core.c
@@ -156,4 +156,5 @@
 	.map_io		= shark_map_io,
 	.init_irq	= shark_init_irq,
 	.timer		= &shark_timer,
+	.dma_zone_size	= SZ_4M,
 MACHINE_END