arm64: dts: uDPU: remove i2c-fast-mode

The I2C bus violates the timing specifications when run in fast mode
on the uDPU, so switch to 100kHz mode.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts

@@ -119,12 +119,14 @@ &i2c0 {
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c1_pins>;
+	/delete-property/mrvl,i2c-fast-mode;
 };
 
 &i2c1 {
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c2_pins>;
+	/delete-property/mrvl,i2c-fast-mode;
 
 	lm75@48 {
 		status = "okay";