board/olimex/a13_olinuxino/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/olimex/a13_olinuxino/genimage.cfg

@@ -1,12 +1,13 @@
 image boot.vfat {
-        vfat {
-                files = {
-                        "zImage",
-                        "sun5i-a13-olinuxino.dtb",
-                        "boot.scr"
-                }
-        }
-        size = 64M
+	vfat {
+		files = {
+			"zImage",
+			"sun5i-a13-olinuxino.dtb",
+			"boot.scr"
+		}
+	}
+
+	size = 64M
 }
 
 image sdcard.img {
@@ -16,16 +17,15 @@ image sdcard.img {
 	partition u-boot {
 		in-partition-table = "no"
 		image = "u-boot-sunxi-with-spl.bin"
-		offset = 8192
-		size = 1040384 # 1MB - 8192
+		offset = 8K
+		size = 1016K # 1MB - 8KB
 	}
 
-        partition boot {
-                partition-type = 0xC
-                bootable = "true"
-                image = "boot.vfat"
-        }
-
+	partition boot {
+		partition-type = 0xC
+		bootable = "true"
+		image = "boot.vfat"
+	}
 
 	partition rootfs {
 		partition-type = 0x83