omap: move detection of NAND CS to common-board-devices

and reduce amount of copy/paste

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
CC: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/common-board-devices.h b/arch/arm/mach-omap2/common-board-devices.h
index 0ec3e07..eb80b3b 100644
--- a/arch/arm/mach-omap2/common-board-devices.h
+++ b/arch/arm/mach-omap2/common-board-devices.h
@@ -2,6 +2,7 @@
 #define __OMAP_COMMON_BOARD_DEVICES__
 
 struct twl4030_platform_data;
+struct mtd_partition;
 
 void omap_pmic_init(int bus, u32 clkrate, const char *pmic_type, int pmic_irq,
 		    struct twl4030_platform_data *pmic_data);
@@ -25,18 +26,10 @@
 	omap_pmic_init(1, 400, pmic_type, OMAP44XX_IRQ_SYS_1N, pmic_data);
 }
 
-#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
-	defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
 struct ads7846_platform_data;
 
 void omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce,
 		       struct ads7846_platform_data *board_pdata);
-#else
-static inline void omap_ads7846_init(int bus_num,
-				     int gpio_pendown, int gpio_debounce,
-				     struct ads7846_platform_data *board_data)
-{
-}
-#endif
+void omap_nand_flash_init(int opts, struct mtd_partition *parts, int n_parts);
 
 #endif /* __OMAP_COMMON_BOARD_DEVICES__ */