ARM: dts: imx6sl: tolino-shine2hd: fix IRQ config of touchscreen

Correctly describe the interrupt as level low. Driver enforces that
anyways, but do not rely on that in the devicetree.
Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/nxp/imx/imx6sl-tolino-shine2hd.dts

@@ -138,7 +138,7 @@ zforce: touchscreen@50 {
 		pinctrl-0 = <&pinctrl_zforce>;
 		reg = <0x50>;
 		interrupt-parent = <&gpio5>;
-		interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
+		interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
 		vdd-supply = <&ldo1_reg>;
 		reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
 		touchscreen-size-x = <1072>;