ARM: S3C64XX: Slow down mic detection rate for wm5102

A slightly slower rate provides more reliable jack detection during
slower insertions.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s3c64xx/mach-crag6410-module.c

@@ -210,6 +210,7 @@ static struct arizona_pdata wm5102_reva_pdata = {
 	.gpio_base = CODEC_GPIO_BASE,
 	.irq_active_high = true,
 	.micd_pol_gpio = CODEC_GPIO_BASE + 4,
+	.micd_rate = 6,
 	.gpio_defaults = {
 		[2] = 0x10000, /* AIF3TXLRCLK */
 		[3] = 0x4,     /* OPCLK */