ARM: OMAP: switch to gpio_direction_input

More switchover to the cross-platform GPIO interface:
use gpio_direction_input(), not an OMAP-specific call.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c
index d7ab11a..86e73b7 100644
--- a/arch/arm/mach-omap1/board-voiceblue.c
+++ b/arch/arm/mach-omap1/board-voiceblue.c
@@ -256,7 +256,7 @@
 	gpio_set_value(0, 0);
 	gpio_set_value(0, 1);
 	gpio_set_value(0, 0);
-	omap_set_gpio_direction(0, 1);
+	gpio_direction_input(0);
 }
 
 void voiceblue_wdt_ping(void)