mtd: spi-nand: Fix not calling dev_err with a device

Get it from spinand->slave->dev. Another option would be to use
spinand_to_mtd(spinand)->dev, but this is what the existing code uses.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Patrick Delaunay <patrick.delaunay@st.com>
1 file changed