build_library: Change the disk MiniOS partition names

BUG=b:186242597
TEST=./build_images

Change-Id: I995bcc3b1c51344bd00c62c906a6a0363dc78398
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/2871108
Tested-by: Vyshu Khota <vyshu@google.com>
Commit-Queue: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Jae Hoon Kim <kimjae@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/build_library/minios_disk_layout.json b/build_library/minios_disk_layout.json
index 564cc9e..112ca87 100644
--- a/build_library/minios_disk_layout.json
+++ b/build_library/minios_disk_layout.json
@@ -12,14 +12,14 @@
       {
         # MiniOS A partition.
         "num": 13,
-        "label": "MiniOS-A",
+        "label": "MINIOS-A",
         "type": "kernel",
         "size": "64 MiB"
       },
       {
         # MiniOS B partition.
         "num": 14,
-        "label": "MiniOS-B",
+        "label": "MINIOS-B",
         "type": "kernel",
         "size": "64 MiB",
         # Places partition at the end of disk.