greybus: timesync: Add Control and SVC protocol TimeSync operation definitions

This patch adds the protocol command extenions for SVC and Control
protocols to the greybus_protocols definition header consistent with
the greybus-spec.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>