Append SOL log with .txt extension
Append SOL log with .txt extension

Request from OP team so that they can view as text from the jenkins
web view.

Resolves  openbmc/openbmc-test-automation#974

Change-Id: Idff4ceb6c501471389d02fd1f07d345ed1981a30
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

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