Sometimes root file system is deployed on SD card. It's
proper to build eSDHC driver into kernel.
Signed-off-by: NYangbo Lu <yangbo.lu@nxp.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NOlof Johansson <olof@lixom.net>