Nothing used it.
Also delete the local mci alias pointer to host->mci in
dw_mmc_probe(). It only saved a few characters and all the references
but one are using host->mci.
Signed-off-by: Trent Piepho <tpiepho@kymetacorp.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>