MAINTAINERS: move ralink pinctrl to mediatek mips pinctrl

The Ralink pinctrl driver is now under the name of MediaTek MIPS pin
controller. Move the maintainer information accordingly. Add dt-binding
schema files. Add linux-mediatek@lists.infradead.org as an associated
mailing list.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20230317213011.13656-22-arinc.unal@arinc9.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

MAINTAINERS

@@ -16521,6 +16521,28 @@ F:	Documentation/devicetree/bindings/pinctrl/mediatek,mt7622-pinctrl.yaml
 F:	Documentation/devicetree/bindings/pinctrl/mediatek,mt8183-pinctrl.yaml
 F:	drivers/pinctrl/mediatek/
 
+PIN CONTROLLER - MEDIATEK MIPS
+M:	Arınç ÜNAL <arinc.unal@arinc9.com>
+M:	Sergio Paracuellos <sergio.paracuellos@gmail.com>
+L:	linux-mediatek@lists.infradead.org (moderated for non-subscribers)
+L:	linux-mips@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/pinctrl/mediatek,mt7620-pinctrl.yaml
+F:	Documentation/devicetree/bindings/pinctrl/mediatek,mt7621-pinctrl.yaml
+F:	Documentation/devicetree/bindings/pinctrl/mediatek,mt76x8-pinctrl.yaml
+F:	Documentation/devicetree/bindings/pinctrl/ralink,rt2880-pinctrl.yaml
+F:	Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml
+F:	Documentation/devicetree/bindings/pinctrl/ralink,rt3352-pinctrl.yaml
+F:	Documentation/devicetree/bindings/pinctrl/ralink,rt3883-pinctrl.yaml
+F:	Documentation/devicetree/bindings/pinctrl/ralink,rt5350-pinctrl.yaml
+F:	drivers/pinctrl/mediatek/pinctrl-mt7620.c
+F:	drivers/pinctrl/mediatek/pinctrl-mt7621.c
+F:	drivers/pinctrl/mediatek/pinctrl-mt76x8.c
+F:	drivers/pinctrl/mediatek/pinctrl-mtmips.*
+F:	drivers/pinctrl/mediatek/pinctrl-rt2880.c
+F:	drivers/pinctrl/mediatek/pinctrl-rt305x.c
+F:	drivers/pinctrl/mediatek/pinctrl-rt3883.c
+
 PIN CONTROLLER - MICROCHIP AT91
 M:	Ludovic Desroches <ludovic.desroches@microchip.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -17496,13 +17518,6 @@ L:	linux-mips@vger.kernel.org
 S:	Maintained
 F:	arch/mips/boot/dts/ralink/mt7621*
 
-RALINK PINCTRL DRIVER
-M:	Arınç ÜNAL <arinc.unal@arinc9.com>
-M:	Sergio Paracuellos <sergio.paracuellos@gmail.com>
-L:	linux-mips@vger.kernel.org
-S:	Maintained
-F:	drivers/pinctrl/ralink/
-
 RALINK RT2X00 WIRELESS LAN DRIVER
 M:	Stanislaw Gruszka <stf_xl@wp.pl>
 M:	Helmut Schaa <helmut.schaa@googlemail.com>