ARM: EXYNOS: add GPC4 bank instance

Add GPC4 bank instance which is included in rev1 of EXYNOS5.

Signed-off-by: Sangsu Park <sangsu4u.park@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c
index e991d91..f88bb9f 100644
--- a/drivers/gpio/gpio-samsung.c
+++ b/drivers/gpio/gpio-samsung.c
@@ -2454,6 +2454,12 @@
 		},
 	}, {
 		.chip	= {
+			.base	= EXYNOS5_GPC4(0),
+			.ngpio	= EXYNOS5_GPIO_C4_NR,
+			.label	= "GPC4",
+		},
+	}, {
+		.chip	= {
 			.base	= EXYNOS5_GPD0(0),
 			.ngpio	= EXYNOS5_GPIO_D0_NR,
 			.label	= "GPD0",
@@ -2878,8 +2884,11 @@
 			goto err_ioremap1;
 		}
 
+		/* need to set base address for gpc4 */
+		exynos5_gpios_1[11].base = gpio_base1 + 0x2E0;
+
 		/* need to set base address for gpx */
-		chip = &exynos5_gpios_1[20];
+		chip = &exynos5_gpios_1[21];
 		gpx_base = gpio_base1 + 0xC00;
 		for (i = 0; i < 4; i++, chip++, gpx_base += 0x20)
 			chip->base = gpx_base;