dts: fsl: librem5: Don't set i2c clock above 200 kHz

NXP errata e7805 says that setting the i2c bus clock to 400 kHz violates
the SCL clock low period on the imx8mq and recommends setting 384 kHz. At
384 kHz errors were still seen with devices on i2c-0.

At 200 kHz no errors were seen.
Signed-off-by: default avatarAngus Ainslie (Purism) <angus@akkea.ca>
parent adba1109
......@@ -639,7 +639,7 @@
};
&i2c1 {
clock-frequency = <400000>;
clock-frequency = <200000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
status = "okay";
......
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