vboot_reference: Add GUID type for miniOS
MiniOS partitions should not be using the same GUID as the kernel. Refer
to bug as to reasons on why.
```
Using disk_layout_v3.json w/ types as "minios" instead of "kernel" and
checking the GUID uses the new type.
$ /build/zork-minios/usr/bin/cgpt show testimage
start size part contents
0 1 PMBR
1 1 Pri GPT header
2 32 Pri GPT table
40 1 1 Label: ""
Type: ChromeOS miniOS
UUID: 8A23CFDA-316E-B847-ADF2-80C4D1DF6F93
67 32 Sec GPT table
99 1 Sec GPT header
$ /build/zork-minios/usr/bin/cgpt show -n testimage
start size part contents
0 1 PMBR
1 1 Pri GPT header
2 32 Pri GPT table
40 1 1 Label: ""
Type: 09845860-705F-4BB5-B16C-8A8A099CAF52
UUID: 8A23CFDA-316E-B847-ADF2-80C4D1DF6F93
Attr: [0]
67 32 Sec GPT table
99 1 Sec GPT header
```
BUG=b:193182769
TEST=# comment above
BRANCH=none
Signed-off-by: Jae Hoon Kim <kimjae@google.com>
Change-Id: I18beb0c79762d838e580f6af7f4a2601e2980de6
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/3017301
Tested-by: Jae Hoon Kim <kimjae@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Commit-Queue: Jae Hoon Kim <kimjae@chromium.org>
2 files changed
