ARM: dts: qcom-msm8974: use named constant for interrupt flag EDGE RISING

Cosmetic change of integer value "1" in the third field of the
"interrupts" property to the correct named constant.
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm/boot/dts/qcom-msm8974.dtsi

@@ -1056,7 +1056,7 @@ modem {
 		};
 
 		rpm {
-			interrupts = <GIC_SPI 168 1>;
+			interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
 			qcom,ipc = <&apcs 8 0>;
 			qcom,smd-edge = <15>;