onenand: samsung: Enable OneNAND support at Samsung's Exynos4210

Enable OneNAND support for Exynos4210 (C210 universal).

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>