ath79: fixup TL-WR703N/TL-MR10U split

Readd SoC compatible strings and correct model names mangled in
a51078f735, cleanup dts to remove
duplication, rename dtsi for clarity, use correct GPIO for TL-MR10U
USB power.

Tested only on TL-WR703N due to lack of a TL-MR10U.

Signed-off-by: Alex Maclean <monkeh@monkeh.net>

target/linux/ath79/dts/ar9331_tl-mr10u.dts

@@ -1,19 +1,13 @@
 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 /dts-v1/;
 
-#include "ar9331_tl-wr703n.dtsi"
+#include "ar9331_tl-wr703n_tl-mr10u.dtsi"
 
 / {
-	model = "TP-Link MR10U";
-	compatible = "tplink,tl-mr10u";
-
-	reg_usb_vbus: reg_usb_vbus {
-		compatible = "regulator-fixed";
-		regulator-name = "usb_vbus";
-		regulator-min-microvolt = <5000000>;
-		regulator-max-microvolt = <5000000>;
-		gpio = <&gpio 28 GPIO_ACTIVE_HIGH>;
-		enable-active-high;
-	};
+	model = "TP-Link TL-MR10U";
+	compatible = "tplink,tl-mr10u", "qca,ar9331";
+};
 
+&reg_usb_vbus {
+	gpio = <&gpio 18 GPIO_ACTIVE_HIGH>;
 };

target/linux/ath79/dts/ar9331_tl-wr703n.dts

@@ -1,9 +1,13 @@
 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 /dts-v1/;
 
-#include "ar9331_tl-wr703n.dtsi"
+#include "ar9331_tl-wr703n_tl-mr10u.dtsi"
 
 / {
-	model = "TP-Link WR703N";
-	compatible = "tplink,tl-wr703n";
+	model = "TP-Link TL-WR703N";
+	compatible = "tplink,tl-wr703n", "qca,ar9331";
+};
+
+&reg_usb_vbus {
+	gpio = <&gpio 8 GPIO_ACTIVE_HIGH>;
 };

target/linux/ath79/dts/ar9331_tl-wr703n_tl-mr10u.dtsi

@@ -7,9 +7,6 @@
 #include "ar9331.dtsi"
 
 / {
-	compatible = "tplink,tl-wr703n", "qca,ar9331";
-	model = "TP-Link TL-WR703N";
-
 	aliases {
 		serial0 = &uart;
 		led-status = &led_system;
@@ -48,7 +45,6 @@
 		regulator-name = "usb_vbus";
 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;
-		gpio = <&gpio 8 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};