[ARM] pxa: mmc: add 2nd host controller support for pxa3xx

This patch is to add the second mmc controller support for pxa3xx.
It's valid for pxa3[0|1|2]0.

On zylonite, the second controller has no slot.

Signed-off-by: Bridge Wu <bridge.wu@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/zylonite_pxa320.c b/arch/arm/mach-pxa/zylonite_pxa320.c
index 593f7bf..1036da3 100644
--- a/arch/arm/mach-pxa/zylonite_pxa320.c
+++ b/arch/arm/mach-pxa/zylonite_pxa320.c
@@ -104,6 +104,14 @@
 	GPIO22_MMC1_CLK,
 	GPIO23_MMC1_CMD,/* CMD0 for slot 0 */
 	GPIO31_GPIO,	/* CMD1 default as GPIO for slot 0 */
+
+	/* MMC2 */
+	GPIO24_MMC2_DAT0,
+	GPIO25_MMC2_DAT1,
+	GPIO26_MMC2_DAT2,
+	GPIO27_MMC2_DAT3,
+	GPIO28_MMC2_CLK,
+	GPIO29_MMC2_CMD,
 };
 
 #define NUM_LCD_DETECT_PINS	7