arch/avr32: Fix build failure for avr32 caused by typo

This patch fixes a build failure introduced by the patch
  atmel-mci: change use of dma slave interface by Nicolas Ferre
by changing mci_dma_slave to the correct name of mci_dma_data

This should make the avr32 tree build again.

References:
http://kisskb.ellerman.id.au/kisskb/buildresult/1893610/
http://git.kernel.org/?p=linux/kernel/git/sfr/linux-next.git;a=commitdiff;h=2635d1ba711560d521f6218c585a3e0401f566e1

Patch against Linus' tree.
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>

arch/avr32/mach-at32ap/at32ap700x.c

@@ -1325,7 +1325,7 @@ struct platform_device *__init
 at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 {
 	struct platform_device		*pdev;
-	struct mci_dma_slave		*slave;
+	struct mci_dma_data	        *slave;
 	u32				pioa_mask;
 	u32				piob_mask;
 
@@ -1344,7 +1344,7 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 				ARRAY_SIZE(atmel_mci0_resource)))
 		goto fail;
 
-	slave = kzalloc(sizeof(struct mci_dma_slave), GFP_KERNEL);
+	slave = kzalloc(sizeof(struct mci_dma_data), GFP_KERNEL);
 
 	slave->sdata.dma_dev = &dw_dmac0_device.dev;
 	slave->sdata.reg_width = DW_DMA_SLAVE_WIDTH_32BIT;