uboot-imx

dm: mmc: sunxi: Rename mmchost to priv

Use the driver-model naming convention for this structure. It is data
private to the driver so the local variable should be called 'priv'.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>