Dumpimage and fit_check_sign can be used to extract kernel and ramdisk from
a FIT file, verify them and kexec for a faster reboot.
(From OE-Core rev: c99255d688a2578f1391a34915942210cf069d64)
Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>