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

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: 37c89e5f9bf4 ("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.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>