Add SOL port variable in TCL script
Add SOL port variable in TCL script

This is to accept user to key in user-defined host SOL port number.

Change-Id: Ie73646e276a59598cc3a00916ca27b08f3d081f0
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

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