ARM: mach-shmobile: mackerel: modify LCDC clock divider value

mackerel WVGA LCDC panel expect 33.3MHz for dot-clock,
but current dot-clock was 50.0MHz.
This patch modify clock divider value.

Signed-off-by: Makoto Ueda <makoto.ueda.ub@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index fb4213a..1657eac 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -303,7 +303,7 @@
 		.lcd_cfg = mackerel_lcdc_modes,
 		.num_cfg = ARRAY_SIZE(mackerel_lcdc_modes),
 		.interface_type		= RGB24,
-		.clock_divider		= 2,
+		.clock_divider		= 3,
 		.flags			= 0,
 		.lcd_size_cfg.width	= 152,
 		.lcd_size_cfg.height	= 91,