Force apex regulator always on

Change-Id: I252d31308f00cbbb10f893f0fe5a5795020c3e4d
(cherry picked from commit 984badc930ac08409dd04e3e429b4b8a6dc1a90c)
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
index 78d012d..6461ed1 100644
--- a/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
@@ -45,6 +45,7 @@
 			enable-active-high;
 			gpio-open-drain;
 			regulator-boot-on;
+			regulator-always-on;
 			startup-delay-us = <100000>;
 		};
 	};