arm64: dts: qcom: sm8450-sony-xperia: correct touchscreen interrupt flags

arm64: dts: qcom: sm8450-sony-xperia: correct touchscreen interrupt flags

Interrupt flags 0x2008 looks like some downstream copy-paste, because
generic GPIOLIB code, used by Qualcomm pin controller drivers, ignores
flags outside of IRQ_TYPE_SENSE_MASK.  Probably the intention was to
pass just 0x8, so IRQ_TYPE_LEVEL_LOW.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Tested-by: Konrad Dybcio <konrad.dybcio@linaro.org> # SM8450 PDX223
Link: https://lore.kernel.org/r/20240605160032.150587-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>