This commit fixes an issue that was preventing load import
script from copying the TO release pxe files correctly from
the load, and also gives pxe-update-*.sh script execution
permission to avoid permission denied errors during host-unlock.
Test Plan
PASS: upload TO release load, verify the TO release pxe.cfg.linux
files are copied to /var and that /etc/pxe-update script is
updated to 755
Story: 2010676
Task: 49698
Signed-off-by: Heitor Matsui <heitorvieira.matsui@windriver.com>
Change-Id: I222b484d3a28c603ed8d7c42d0405481086735f0
720b10f07c