dcache:s5p CONFIG_SYS_CACHELINE_SIZE added for s5p GONI target

Define the D-cache line size for S5PC110 GONI reference target.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Anton Staaf <robotboy@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>