Fixed Rprint Vars fmt arg in doc
Fixed Rprint Vars fmt arg in doc

Fixed Rprint Vars in doc string to show proper use of fmt argument.

Change-Id: Ib02d34bcfe7ecf4cb7743c5ea53361192867cdff
Signed-off-by: Michael Walsh <10404802c7de463f402c4a18638106ca1b12ef61@us.ibm.com>

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