arm64: dts: apple: Make ps_msg always-on

Apple has it that way, and it might be important. Let's not risk it.

Signed-off-by: Hector Martin <marcan@marcan.st>

Author: marcan

arch/arm64/boot/dts/apple/t600x-pmgr.dtsi

@@ -1873,6 +1873,7 @@
 		#power-domain-cells = <0>;
 		#reset-cells = <0>;
 		label = DIE_LABEL(msg);
+		apple,always-on; /* Core AON device? */
 	};
 
 	DIE_NODE(ps_nub_gpio): power-controller@80 {

arch/arm64/boot/dts/apple/t602x-pmgr.dtsi

@@ -2006,6 +2006,7 @@
 		#power-domain-cells = <0>;
 		#reset-cells = <0>;
 		label = DIE_LABEL(msg);
+		apple,always-on; /* Core AON device? */
 	};
 
 	DIE_NODE(ps_nub_gpio): power-controller@80 {

arch/arm64/boot/dts/apple/t8103-pmgr.dtsi

@@ -1095,6 +1095,7 @@
 		#power-domain-cells = <0>;
 		#reset-cells = <0>;
 		label = "msg";
+		apple,always-on; /* Core AON device? */
 	};
 
 	ps_atc0_usb_aon: power-controller@88 {

arch/arm64/boot/dts/apple/t8112-pmgr.dtsi

@@ -1061,6 +1061,7 @@
 		#power-domain-cells = <0>;
 		#reset-cells = <0>;
 		label = "msg";
+		apple,always-on; /* Core AON device? */
 	};
 
 	ps_nub_gpio: power-controller@80 {