[ARM] pxa/littleton: add support for SPI-based TDO24M LCD panel driver

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/include/mach/littleton.h b/arch/arm/mach-pxa/include/mach/littleton.h
index 79d209b..5c4e320 100644
--- a/arch/arm/mach-pxa/include/mach/littleton.h
+++ b/arch/arm/mach-pxa/include/mach/littleton.h
@@ -3,4 +3,6 @@
 
 #define LITTLETON_ETH_PHYS	0x30000000
 
+#define LITTLETON_GPIO_LCD_CS	(17)
+
 #endif /* __ASM_ARCH_ZYLONITE_H */