Update robot new syntax for accessing dictionary
Update robot new syntax for accessing dictionary

Example:
    Accessing variable items using '&{data}[MemberId]' syntax is deprecated.
    Use '${data}[MemberId]' instead.

Change-Id: I8b495d423d62abd9577e373b16af36da41fc5950
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

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