ARM: OMAP: Fix warning in gpio.c

Fix warning

arch/arm/plat-omap/gpio.c: In function '_omap_gpio_init':
arch/arm/plat-omap/gpio.c:1299: warning: unused variable 'clk_name'
arch/arm/plat-omap/gpio.c: At top level:
arch/arm/plat-omap/gpio.c:1282: warning: 'gpio_fck' defined but not used

for OMAP1.
Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/plat-omap/gpio.c

@@ -1277,8 +1277,11 @@ static inline void mpuio_init(void) {}
 /*---------------------------------------------------------------------*/
 
 static int initialized;
-#if !defined(CONFIG_ARCH_OMAP34XX)
+#if !defined(CONFIG_ARCH_OMAP3)
 static struct clk * gpio_ick;
+#endif
+
+#if defined(CONFIG_ARCH_OMAP2)
 static struct clk * gpio_fck;
 #endif
 
@@ -1296,7 +1299,9 @@ static int __init _omap_gpio_init(void)
 {
 	int i;
 	struct gpio_bank *bank;
+#if defined(CONFIG_ARCH_OMAP3)
 	char clk_name[11];
+#endif
 
 	initialized = 1;