ui: Fix default item for dev external boot screen

Fix the default selected menu item for 2 screens in developer mode:

- VB2_SCREEN_DEVELOPER_BOOT_EXTERNAL
- VB2_SCREEN_DEVELOPER_INVALID_DISK

Previously in CL:3195521 we forgot to explicitly set it in the init()
and reinit() screen functions.

BUG=b:207448560, b:207448571
TEST=make run2tests
BRANCH=none

Change-Id: I1854502251238394a7e76ad9e676bae436ad0df5
Signed-off-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/3298659
Tested-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Reviewed-by: Henry Sun <henrysun@google.com>
Commit-Queue: Henry Sun <henrysun@google.com>
1 file changed