The packages about signature need an independent build type
to be handled by build system.
The detailed information please refer to the commit messages
of the depended commit
Test Plan:
Pass: build-pkgs -a
Pass: build-pkgs -l <layer>
Pass: Make sure linux and linux-rt has been built
Run the script to sign the kernel
build-pkgs -b sign -p kernel-std-signed, kernel-rt-signed
Depends-On: https://review.opendev.org/c/starlingx/root/+/842662
Story: 2008846
Task: 45382
Signed-off-by: hbai <haiqing.bai@windriver.com>
Change-Id: I6e71d5c5324a4f742dbe4d58f48cf4731509f732