platform/chrome: cros_ec: Fix host command for regulator control.

Since the host command number 0x012B conflicts with other EC host
command, add one to all regulator control related host command.

Also fix a wrong alignment on struct and sync the comment with the one
in ChromeOS EC codebase.

Fixes: dff08caf ("platform/chrome: cros_ec: Add command for regulator control.")
Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20200724080358.619245-1-pihsun@chromium.org


Signed-off-by: Mark Brown <broonie@kernel.org>