platform/chrome: Update EC feature flags

Define EC_FEATURE_UCSI_PPM to enable usage of the cros_ec_ucsi
driver. Also, add any feature flags that are implemented by the EC
but are missing in the kernel header.

Signed-off-by: Pavan Holla <pholla@chromium.org>
Signed-off-by: Łukasz Bartosik <ukaszb@chromium.org>
Acked-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20240910101527.603452-3-ukaszb@chromium.org


Signed-off-by: Lee Jones <lee@kernel.org>