ARM: dts: exynos: Correct the MAX8997 interrupts on the Trats board

Remove the 'interrupts' and 'interrupts-parent' properties, which have
been superseded by the interrupts-extended property. While touching this,
fix the interrupts flags to correctly describe the hardware.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/exynos4210-trats.dts

@@ -285,11 +285,10 @@ &i2c_5 {
 
 	max8997_pmic@66 {
 		compatible = "maxim,max8997-pmic";
-		interrupts-extended = <&gpx0 7 0>, <&gpx2 3 0>;
 
 		reg = <0x66>;
-		interrupt-parent = <&gpx0>;
-		interrupts = <7 IRQ_TYPE_NONE>;
+		interrupts-extended = <&gpx0 7 IRQ_TYPE_LEVEL_LOW>,
+				      <&gpx2 3 IRQ_TYPE_EDGE_FALLING>;
 
 		max8997,pmic-buck1-uses-gpio-dvs;
 		max8997,pmic-buck2-uses-gpio-dvs;