platform/chrome: cros_ec: Add SW_FRONT_PROXIMITY MKBP define

Some cros ECs support a front proximity MKBP event via
'EC_MKBP_FRONT_PROXIMITY'. Add this define so it can be used in a
future patch.

Cc: Dmitry Torokhov <[email protected]>
Cc: Benson Leung <[email protected]>
Cc: Guenter Roeck <[email protected]>
Cc: Douglas Anderson <[email protected]>
Cc: Gwendal Grignou <[email protected]>
Acked-by: Enric Balletbo i Serra <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jonathan Cameron <[email protected]>

0 files changed, 0 insertions, 0 deletions