arm64: dts: qcom: pmk8350: drop interrupt-names from ADC

The SPMI PMIC VADC and Thermal Monitoring ADC have only one interrupt
line and their bindings do not allow interrupt-names.  None of other
variants use them, so drop it from DTSI.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220828084341.112146-6-krzysztof.kozlowski@linaro.org