ARM i.MX53: tqma53: Fix interrupt polarity for the mc34708

It's active high, not active low.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx53-tqma53.dtsi

@@ -149,7 +149,7 @@ pmic: mc34708@8 {
 		reg = <0x8>;
 		fsl,mc13xxx-uses-rtc;
 		interrupt-parent = <&gpio2>;
-		interrupts = <6 8>; /* PDATA_DATA6, low active */
+		interrupts = <6 4>; /* PATA_DATA6, active high */
 	};
 
 	sensor1: lm75@48 {