[ARM] pxa/palm: add detect_delay to mmc for PalmTX,T5,LD

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c
index 4457491..08c599b 100644
--- a/arch/arm/mach-pxa/palmld.c
+++ b/arch/arm/mach-pxa/palmld.c
@@ -148,6 +148,7 @@
 	.gpio_card_detect	= GPIO_NR_PALMLD_SD_DETECT_N,
 	.gpio_card_ro		= GPIO_NR_PALMLD_SD_READONLY,
 	.gpio_power		= GPIO_NR_PALMLD_SD_POWER,
+	.detect_delay		= 20,
 };
 
 /******************************************************************************