thermal: testing: Rearrange variable declarations involving __free()
Follow cleanup.h recommendations and always define and assign variables
in one statement when __free() is used.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/5934556.DvuYhMxLoT@rafael.j.wysocki