greybus: greybus_protocols: remove svc key-event type
Remove the deprecated svc key-event type, which has already been removed
from the specification.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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