arm64: dts: qcom: msm8994: Drop spi-max-frequency from SPI host

This is a device property, not a bus host one.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221117105845.13644-1-konrad.dybcio@linaro.org

arch/arm64/boot/dts/qcom/msm8994.dtsi

@@ -554,7 +554,6 @@ blsp1_spi1: spi@f9923000 {
 			clocks = <&gcc GCC_BLSP1_QUP1_SPI_APPS_CLK>,
 				 <&gcc GCC_BLSP1_AHB_CLK>;
 			clock-names = "core", "iface";
-			spi-max-frequency = <19200000>;
 			dmas = <&blsp1_dma 12>, <&blsp1_dma 13>;
 			dma-names = "tx", "rx";
 			pinctrl-names = "default", "sleep";
@@ -692,7 +691,6 @@ blsp2_spi4: spi@f9966000 {
 			clocks = <&gcc GCC_BLSP2_QUP4_SPI_APPS_CLK>,
 				 <&gcc GCC_BLSP2_AHB_CLK>;
 			clock-names = "core", "iface";
-			spi-max-frequency = <19200000>;
 			dmas = <&blsp2_dma 18>, <&blsp2_dma 19>;
 			dma-names = "tx", "rx";
 			pinctrl-names = "default", "sleep";