FROMGIT: usb: typec: tcpci_maxim: Enable VSAFE0V signalling

Unmask EXTENDED_STATUS_MASK.vSafe0V, ALERT.Extended_Status
and set vbus_vsafe0v to enable VSAFE0V signalling.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Link: https://lore.kernel.org/r/20201202040840.663578-3-badhri@google.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 0fbb7d06 usb-next)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I15785660419e724f1d7e6950d1854d3642cc1e2f