Fix thermal URI variable assignment
Fix thermal URI variable assignment

Change-Id: I59f8eff24568fcf5a88d9342a1009257abeb5d3e
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation