tool: extend print buffer for vl-forwarding-parameters to 50 characters
tool: extend print buffer for vl-forwarding-parameters to 50 characters

* So that a line covers the PARTSPC field in full.

Signed-off-by: Vladimir Oltean <6ef50fec496bca30294ed8eff4f157ee91f2dc55@nxp.com>

openil/sja1105-tool,openil/sja1105-tool