The command software list is not returning the correct software
release on subcloud, it is returning empty list instead.
This commit fix this issue by creating the USM metadata directories
under /opt/software for subclouds too.
Test Plan:
PASS: Software list returning proper data.
Story: 2010676
Task: 49746
Relates-to: e37f69765e6c863b3828
Change-Id: I55554709f377b725db535bc32d316a9586996693
Signed-off-by: Luis Eduardo Bonatti <LuizEduardo.Bonatti@windriver.com>