mfd: further unbork the ucb1400 ac97_bus dependencies

Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: NSamuel Ortiz <sameo@openedhand.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>

drivers/input/touchscreen/Kconfig

@@ -219,7 +219,7 @@ config TOUCHSCREEN_ATMEL_TSADCC
 
 config TOUCHSCREEN_UCB1400
 	tristate "Philips UCB1400 touchscreen"
-	select AC97_BUS
+	depends on AC97_BUS
 	depends on UCB1400_CORE
 	help
 	  This enables support for the Philips UCB1400 touchscreen interface.