ARM: imx: mx31moboard: Remove unused 'dma' variable

Commit 2436bdcda53f ("dma-coherent: remove the DMA_MEMORY_MAP and
DMA_MEMORY_IO flags") missed to remove the 'dma' variable causing
the following build warning:

arch/arm/mach-imx/mach-mx31moboard.c:478:6: warning: unused variable 'dma' [-Wunused-variable]

Remove the unused 'dma' variable.

Signed-off-by: Fabio Estevam <[e-mail]>
Signed-off-by: Christoph Hellwig <[e-mail]>

arch/arm/mach-imx/mach-mx31moboard.c

···
 
 static int __init mx31moboard_init_cam(void)
 {
-	int dma, ret;
+	int ret;
 	struct platform_device *pdev;
 
 	imx31_add_ipu_core();