Remove the three wrapper functions that talk to the EC without passing all
the desired arguments and just use the underlying communication function
that passes everything in a struct intead.

This is internal code refactoring only. Nothing should change.
Signed-off-by: NBill Richardson <wfrichar@chromium.org>
Signed-off-by: NDoug Anderson <dianders@chromium.org>
Reviewed-by: NSimon Glass <sjg@chromium.org>
Acked-by: NWolfram Sang <wsa@the-dreams.de>
Acked-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>