Aligned the package layout with the concurrent Debian packaging
conventions. Moved package files under 'debian/all/' to avoid
duplication across OS builds and removed legacy paths under 'debian/'.
Updated related build references to ensure compatibility across all
supported OS codenames.
Test-Plan:
PASS: master bullseye build
PASS: AIO-SX deploy
Story: 2011360
Task: 53244
Change-Id: I34f240680f759185e328cc621ad64d164ac70dba
Signed-off-by: sharang bhardwaj <sharang.bhardwaj@windriver.com>