ARM: S5PV210: Change framebuffer window 0 size on GONI

Increase virtual size of the frambuffer window 0
for display panning support.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>