ARM: S5P64X0: Fix typo "CONFIG_S5P64X0_SETUP_SDHCI"

Commit ebc433c2 ("ARM: S5P64X0: Add HSMMC setup for host
Controller") added the Kconfig symbol S5P64X0_SETUP_SDHCI_GPIO.
By accident it also used a macro CONFIG_S5P64X0_SETUP_SDHCI.
Fix that typo.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/plat-samsung/include/plat/sdhci.h

@@ -206,7 +206,7 @@ static inline void s3c6400_default_sdhci2(void) { }
 
 /* S5P64X0 SDHCI setup */
 
-#ifdef CONFIG_S5P64X0_SETUP_SDHCI
+#ifdef CONFIG_S5P64X0_SETUP_SDHCI_GPIO
 static inline void s5p64x0_default_sdhci0(void)
 {
 #ifdef CONFIG_S3C_DEV_HSMMC
@@ -241,7 +241,7 @@ static inline void s5p64x0_default_sdhci1(void) { }
 static inline void s5p6440_default_sdhci2(void) { }
 static inline void s5p6450_default_sdhci2(void) { }
 
-#endif /* CONFIG_S5P64X0_SETUP_SDHCI */
+#endif /* CONFIG_S5P64X0_SETUP_SDHCI_GPIO */
 
 /* S5PC100 SDHCI setup */