ARM: dts: exynos: fix property values of LDO15/17 for ODROID-XU3/4

Looking at the schematic, LDO15 and LDO17 are tied as a power source of a
builtin network chipset. The voltage on LDO15 is corrected to 3.3V and the
name of LDO17 is corrected to "vdd_ldo17".

Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

arch/arm/dts/exynos5422-odroidxu3.dts

@@ -124,8 +124,8 @@
 
 				ldo15_reg: LDO15 {
 					regulator-name = "vdd_ldo15";
-					regulator-min-microvolt = <3100000>;
-					regulator-max-microvolt = <3100000>;
+					regulator-min-microvolt = <3300000>;
+					regulator-max-microvolt = <3300000>;
 					regulator-always-on;
 				};
 
@@ -137,7 +137,7 @@
 				};
 
 				ldo17_reg: LDO17 {
-					regulator-name = "tsp_avdd";
+					regulator-name = "vdd_ldo17";
 					regulator-min-microvolt = <3300000>;
 					regulator-max-microvolt = <3300000>;
 					regulator-always-on;