ARM: S5PC1xx: add platform helpers for SDHCI host controllers

Samsung S5PC100 has 3 SDHCI controllers compatible with the one known from
previous SoCs series. Add required platform setup and support code that
the devices can be used with sdhci-s3c driver.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s5pc1xx/Kconfig b/arch/arm/plat-s5pc1xx/Kconfig
index 1fc25b9..1608e62 100644
--- a/arch/arm/plat-s5pc1xx/Kconfig
+++ b/arch/arm/plat-s5pc1xx/Kconfig
@@ -55,4 +55,10 @@
 	bool
 	help
 	  Common setup code for i2c bus 1.
+
+config S5PC1XX_SETUP_SDHCI_GPIO
+	bool
+	help
+	  Common setup code for SDHCI gpio.
+
 endif