Move all exynos boards over to use CONFIG_BLK.
This converts s5p_goni also, but adding dummy functions for pinmux and
peripheral ID. This will not function correctly, but gives the maintainer
more time to convert the board if desired.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>