dmaengine: ste_dma40: minor cosmetic fixes

This patch contains various non functional cosmetic fixes.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
index 1cfe7ab..7180e0d 100644
--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@@ -251,7 +251,7 @@
 
 	return lli;
 
- err:
+err:
 	return NULL;
 }