Pull ktest updates from Steven Rostedt:
- Fix minconfig test to unset the config and not relying on
olddefconfig to do it, as some configs are set to default y
- Fix reading grub2 menus for handling submenus
- Add new ${shell <cmd>} to execute shell commands that will be useful
for setting variables like: HOSTNAME := ${shell hostname}
* tag 'ktest-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
ktest.pl: Add shell commands to variables
kest.pl: Fix grub2 menu handling for rebooting
ktest.pl minconfig: Unset configs instead of just removing them