(1)Release Version Upgrade
(2)Matching code changes with el7 to el8
For CentOS 7, shim-signed srpm for shim-signed
for CentOS 8, shim srpm for shim-signed
Story: 2006729
Task: 37913
Change-Id: I7d6a1c5550ace8ae8b3a539befc4e1f084ce1e18
Signed-off-by: Long Li <lilong-neu@neusoft.com>