OMAP: DSS2: Remove pdev argument from dpi_init

dpi_init() does not use the pdev argument for anything. Remove it.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index 08fed30..2d3ca4c 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -319,7 +319,7 @@
 	return 0;
 }
 
-int dpi_init(struct platform_device *pdev)
+int dpi_init(void)
 {
 	return 0;
 }