ARM: mach-davinci: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c
index 67c38d0..237332a 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
@@ -343,4 +343,5 @@
 	.init_irq	= cp_intc_init,
 	.timer		= &davinci_timer,
 	.init_machine	= omapl138_hawk_init,
+	.dma_zone_size	= SZ_128M,
 MACHINE_END