board/intel/galileo/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/intel/galileo/genimage.cfg

@@ -5,7 +5,8 @@ image efi-part.vfat {
 			image = "efi-part/EFI"
 		}
 	}
-	size=512K
+
+	size = 512K
 }
 
 # Create the sdcard image, pulling in