ARM: dts: exynos: Fix property values of LDO15/17 for Odroid XU3/XU4

Looking at the schematic, LDO15 and LDO17 are tied as a power source of a
builtin network chipset. Correct voltage on LDO15 to 3.3V and the name
of LDO17 to "vdd_ldo17".
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/exynos5422-odroid-core.dtsi

@@ -233,8 +233,8 @@ ldo13_reg: LDO13 {
 
 			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;
 			};
 
@@ -246,7 +246,7 @@ ldo16_reg: LDO16 {
 			};
 
 			ldo17_reg: LDO17 {
-				regulator-name = "tsp_avdd";
+				regulator-name = "vdd_ldo17";
 				regulator-min-microvolt = <3300000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-always-on;