Keep TPU power always ON

Change-Id: I50e13b40cbe6a4eeecb2205c265b9f25062c4765
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
index b5d0c3c..0733ea7 100644
--- a/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
@@ -50,7 +50,7 @@
 			gpio = <&gpio3 15 GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 			gpio-open-drain;
-			regulator-boot-on;
+			regulator-always-on;
 			startup-delay-us = <500000>;
 		};
 	};