ARM: 6761/1: Update number of VIC for S5PV210

The S5PV210 SoC have 4 VICs. It requires for suspend and resume.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>