usb: typec: tcpm: Address incorrect values of tcpm psy for pps supply

tcpm_pd_select_pps_apdo overwrites port->pps_data.min_volt,
port->pps_data.max_volt, port->pps_data.max_curr even before
port partner accepts the requests. This leaves incorrect values
in current_limit and supply_voltage that get exported by
"tcpm-source-psy-". Solving this problem by caching the request
values in req_min_volt, req_max_volt, req_max_curr, req_out_volt,
req_op_curr. min_volt, max_volt, max_curr gets updated once the
partner accepts the request. current_limit, supply_voltage gets updated
once local port's tcpm enters SNK_TRANSITION_SINK when the accepted
current_limit and supply_voltage is enforced.

Fixes: f2a8aa053c176 ("typec: tcpm: Represent source supply through power_supply")
Signed-off-by: Badhri Jagan Sridharan <[email protected]>
Cc: stable <[email protected]>
Reviewed-by: Adam Thomson <[email protected]>
Reviewed-by: Heikki Krogerus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

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