ODROIDXU3 : poweroff control fix. i2c drv-str modified for xu4-ioshield.

Change-Id: I73e2167e0f0d0d2ae517e5e7e4fb2180f28b7a51

arch/arm/boot/dts/exynos5422-pinctrl.dtsi

@@ -531,7 +531,7 @@
 			samsung,pins = "gpa2-3", "gpa2-2";
 			samsung,pin-function = <3>;
 			samsung,pin-pud = <3>;
-			samsung,pin-drv = <0>;
+			samsung,pin-drv = <3>;
 		};
 
 		hs_i2c2_bus: hs-i2c2-bus {
@@ -580,7 +580,7 @@
 			samsung,pins = "gpb3-3", "gpb3-2";
 			samsung,pin-function = <2>;
 			samsung,pin-pud = <3>;
-			samsung,pin-drv = <0>;
+			samsung,pin-drv = <3>;
 		};
 
 		i2s1_bus: i2s1-bus {

arch/arm/mach-exynos/include/mach/regs-pmu.h

@@ -259,7 +259,8 @@
 #define EXYNOS5_EXT_REGULATOR_DURATION3			EXYNOS_PMUREG(0x361C)
 
 #define EXYNOS_PS_HOLD_CONTROL				EXYNOS_PMUREG(0x330C)
-#define EXYNOS_PS_HOLD_EN				(1 << 31)
+//#define EXYNOS_PS_HOLD_EN				(1 << 31)
+#define	EXYNOS_PS_HOLD_EN				(1 << 9)
 #define EXYNOS_PS_HOLD_OUTPUT_HIGH			(3 << 8)
 
 /* For XXX_IP_CONFIGURATION(Power Domain) */