arm64: dts: kontron-mx8mm: Remove incorrect regulator 'regulator-boot-on' properties

Remove the 'regulator-boot-on' on flags. They mean that the reulator
was turned on in the bootloader/firmware, which in these cases is
either not true, or not applicable for regulators without on/off
control.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>

arch/arm64/boot/dts/freescale/imx8mm-kontron-n8010-s.dtsi

@@ -71,7 +71,6 @@ vdd_24v: regulator-24v {
 		regulator-name = "vdd_24v";
 		regulator-min-microvolt = <24000000>;
 		regulator-max-microvolt = <24000000>;
-		regulator-boot-on;
 		regulator-always-on;
 		status = "okay";
 	};
@@ -81,7 +80,6 @@ vdd_5v: regulator-5v {
 		regulator-name = "vdd_5v";
 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;
-		regulator-boot-on;
 		regulator-always-on;
 		status = "okay";
 	};
@@ -101,7 +99,6 @@ reg_dsi_oe: regulator-dsi-oe {
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_dsi_oe>;
 		gpio = <&gpio4 15 GPIO_ACTIVE_LOW>;
-		regulator-boot-on;
 		regulator-always-on;
 		status = "okay";
 	};