[MTD] Remove trailing whitespace

The newly-added cafe_ecc.c had a lot of it because of the way the lookup
table was auto-generated; clean up the other files too while we're at it.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

drivers/mtd/nand/cafe.c

@@ -60,7 +60,6 @@ struct cafe_priv {
 	int page_addr;
 	dma_addr_t dmaaddr;
 	unsigned char *dmabuf;
-	
 };
 
 static int usedma = 1;