dt-bindings: pinctrl: Remove bindings for Intel Thunderbay pinctrl driver

Remove Thunder Bay specific code as the product got cancelled
and there are no end customers or users.
Signed-off-by: Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
Link: https://lore.kernel.org/r/20230403120235.939-2-lakshmi.sowjanya.d@intel.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/pinctrl/intel,pinctrl-thunderbay.yaml

-# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/pinctrl/intel,pinctrl-thunderbay.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Intel Thunder Bay pin controller
-
-maintainers:
-  - Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
-
-description: |
-  Intel Thunder Bay SoC integrates a pin controller which enables control
-  of pin directions, input/output values and configuration
-  for a total of 67 pins.
-
-properties:
-  compatible:
-    const: intel,thunderbay-pinctrl
-
-  reg:
-    maxItems: 1
-
-  gpio-controller: true
-
-  '#gpio-cells':
-    const: 2
-
-  gpio-ranges:
-    maxItems: 1
-
-  interrupts:
-    description:
-      Specifies the interrupt lines to be used by the controller.
-    maxItems: 2
-
-  interrupt-controller: true
-
-  '#interrupt-cells':
-    const: 2
-
-patternProperties:
-  '^gpio@[0-9a-f]*$':
-    type: object
-    additionalProperties: false
-
-    description:
-      Child nodes can be specified to contain pin configuration information,
-      which can then be utilized by pinctrl client devices.
-      The following properties are supported.
-
-    properties:
-      pins:
-        description: |
-          The name(s) of the pins to be configured in the child node.
-          Supported pin names are "GPIO0" up to "GPIO66".
-
-      bias-disable: true
-
-      bias-pull-down: true
-
-      bias-pull-up: true
-
-      drive-strength:
-        description: Drive strength for the pad.
-        enum: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
-
-      bias-bus-hold:
-        type: boolean
-
-      input-schmitt-enable:
-        type: boolean
-
-      slew-rate:
-        description: GPIO slew rate control.
-                      0 - Slow
-                      1 - Fast
-        enum: [0, 1]
-
-additionalProperties: false
-
-required:
-  - compatible
-  - reg
-  - gpio-controller
-  - '#gpio-cells'
-  - gpio-ranges
-  - interrupts
-  - interrupt-controller
-  - '#interrupt-cells'
-
-examples:
-  - |
-    #include <dt-bindings/interrupt-controller/arm-gic.h>
-    #include <dt-bindings/interrupt-controller/irq.h>
-    // Example 1
-    pinctrl0: gpio@0 {
-        compatible = "intel,thunderbay-pinctrl";
-        reg = <0x600b0000 0x88>;
-        gpio-controller;
-        #gpio-cells = <0x2>;
-        gpio-ranges = <&pinctrl0 0 0 67>;
-        interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
-                     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
-        interrupt-controller;
-        #interrupt-cells = <2>;
-    };
-
-    // Example 2
-    pinctrl1: gpio@1 {
-        compatible = "intel,thunderbay-pinctrl";
-        reg = <0x600c0000 0x88>;
-        gpio-controller;
-        #gpio-cells = <0x2>;
-        gpio-ranges = <&pinctrl1 0 0 53>;
-        interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
-                     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
-        interrupt-controller;
-        #interrupt-cells = <2>;
-    };

MAINTAINERS

@@ -16598,11 +16598,6 @@ L:	linux-omap@vger.kernel.org
 S:	Maintained
 F:	drivers/pinctrl/pinctrl-single.c
 
-PIN CONTROLLER - THUNDERBAY
-M:	Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
-S:	Supported
-F:	drivers/pinctrl/pinctrl-thunderbay.c
-
 PIN CONTROLLER - SUNPLUS / TIBBO
 M:	Dvorkin Dmitry <dvorkin@tibbo.com>
 M:	Wells Lu <wellslutw@gmail.com>