LGTM static code analysis tool reports that the function 'input' is
unsafe. Changed to use raw_input which then converts it using
ast.literal_eval() which is safe.
Fixes: d1b94da4a4e0 ("usertools: add client script for telemetry")
Cc: stable@dpdk.org
Signed-off-by: Andrius Sirvys <andrius.sirvys@intel.com>
Acked-by: Kevin Laatz <kevin.laatz@intel.com>