[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>
diff --git a/drivers/mtd/maps/ck804xrom.c b/drivers/mtd/maps/ck804xrom.c
index c222b88..238d42e 100644
--- a/drivers/mtd/maps/ck804xrom.c
+++ b/drivers/mtd/maps/ck804xrom.c
@@ -26,7 +26,7 @@
 
 #define ADDRESS_NAME_LEN 18
 
-#define ROM_PROBE_STEP_SIZE (64*1024) 
+#define ROM_PROBE_STEP_SIZE (64*1024)
 
 struct ck804xrom_window {
 	void __iomem *virt;