dt-bindings: bluetooth: move Bluetooth bindings to dedicated directory

Some Bluetooth devices bindings are in net/ and some are in
net/bluetooth/, so bring some consistency by putting everything in
net/bluetooth. Rename few bindings to match preferred naming
style: "vendor,device".

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Reviewed-by: Conor Dooley <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Rob Herring (Arm) <[e-mail]>

Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml Documentation/devicetree/bindings/net/bluetooth/brcm,bluetooth.yaml

···
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/net/broadcom-bluetooth.yaml#
+$id: http://devicetree.org/schemas/net/bluetooth/brcm,bluetooth.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Broadcom Bluetooth Chips

Documentation/devicetree/bindings/net/marvell-bluetooth.yaml Documentation/devicetree/bindings/net/bluetooth/marvell,88w8897.yaml

···
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/net/marvell-bluetooth.yaml#
+$id: http://devicetree.org/schemas/net/bluetooth/marvell,88w8897.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Marvell Bluetooth chips

Documentation/devicetree/bindings/net/realtek-bluetooth.yaml Documentation/devicetree/bindings/net/bluetooth/realtek,bluetooth.yaml

···
 # SPDX-License-Identifier: GPL-2.0
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/net/realtek-bluetooth.yaml#
+$id: http://devicetree.org/schemas/net/bluetooth/realtek,bluetooth.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: RTL8723BS/RTL8723CS/RTL8821CS/RTL8822CS Bluetooth

Documentation/devicetree/bindings/net/ti,bluetooth.yaml Documentation/devicetree/bindings/net/bluetooth/ti,bluetooth.yaml

···
 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/net/ti,bluetooth.yaml#
+$id: http://devicetree.org/schemas/net/bluetooth/ti,bluetooth.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Texas Instruments Bluetooth Chips

MAINTAINERS

···
 L:	[e-mail]
 L:	[e-mail] (moderated for non-subscribers)
 S:	Maintained
+F:	Documentation/devicetree/bindings/net/bluetooth/mediatek,bluetooth.txt
 F:	Documentation/devicetree/bindings/net/bluetooth/mediatek,mt7921s-bluetooth.yaml
-F:	Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
 F:	drivers/bluetooth/btmtkuart.c
 
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