Fix pre-trigger stage by replacing exit with return in lldpad.sh
Using exit makes the pre-trigger stage finish after running 03-lldpad.sh
pre-trigger hook.
(cherry picked from commit 7fb8f939a52a904b1860e303a6a7fe69ba0d2ceb)
Resolves: #1914957
patch_name: 0132.patch
present_in_specfile: true
location_in_specfile: 132
squash_commits: true