exynos5-dt-types: add missing dtb file for Odroid HC1/HC2

Add missing exynos5422-odroidhc1.dtb needed to set for dfu env.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>