ARM: dts: qcom: msm8974-samsung-klte: correct fuel gauge interrupt trigger level

The Maxim fuel gauge datasheets describe the interrupt line as active
low with a requirement of acknowledge from the CPU.  The falling edge
interrupt will mostly work but it's not correct.

Fixes: da8d4699 ("ARM: dts: qcom: msm8974-klte: Add fuel gauge")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-By: Iskren Chernev <iskren.chernev@gmail.com>
Tested-By: Iskren Chernev <iskren.chernev@gmail.com>
Link: https://lore.kernel.org/r/20210303182816.137255-2-krzk@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts

@@ -717,7 +717,7 @@ fuelgauge@36 {
 			maxim,rcomp = /bits/ 8 <0x56>;
 
 			interrupt-parent = <&pma8084_gpios>;
-			interrupts = <21 IRQ_TYPE_EDGE_FALLING>;
+			interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
 
 			pinctrl-names = "default";
 			pinctrl-0 = <&fuelgauge_pin>;