Make pm_read16() consistent with the other PM register access functions.
Change-Id: Iba017b8090ed07d8684cc7f396a3e9a942b3ad95
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/21748
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>