board/acmesystems/arietta-g25/genimage.cfg: beautify file

Beatify this genimage .cfg file to have consistency with all genimage .cfg
files in Buildroot.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

board/acmesystems/arietta-g25/genimage.cfg

@@ -5,15 +5,16 @@ image boot.vfat {
 		file zImage {
 			image = "zImage"
 		}
-		
+
 		file acme-arietta.dtb {
 			image = "at91-ariettag25.dtb"
 		}
-		
+
 		file boot.bin {
 			image = "at91sam9x5_arietta-sdcardboot-linux-zimage-dt-3.10.3.bin"
-		} 
+		}
 	}
+
 	size = 16M
 }