dt-bindings: phy: intel: Remove Thunder Bay eMMC PHY bindings

Remove Thunder Bay specific code as the product got cancelled
and there are no end customers or users.
Signed-off-by: A, Rashmi <rashmi.a@intel.com>
Reviewed-by: Hunter, Adrian <adrian.hunter@intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230316120549.21486-5-rashmi.a@intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/intel,phy-thunderbay-emmc.yaml

-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/phy/intel,phy-thunderbay-emmc.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Intel Thunder Bay eMMC PHY
-
-maintainers:
-  - Srikandan Nandhini <nandhini.srikandan@intel.com>
-
-properties:
-  compatible:
-    const: intel,thunderbay-emmc-phy
-
-  "#phy-cells":
-    const: 0
-
-  reg:
-    maxItems: 1
-
-  clocks:
-    maxItems: 1
-
-  clock-names:
-    items:
-      - const: emmcclk
-
-required:
-  - "#phy-cells"
-  - compatible
-  - reg
-  - clocks
-
-additionalProperties: false
-
-examples:
-  - |
-    mmc_phy@80440800 {
-        #phy-cells = <0x0>;
-        compatible = "intel,thunderbay-emmc-phy";
-        reg = <0x80440800 0x100>;
-        clocks = <&emmc>;
-        clock-names = "emmcclk";
-    };

MAINTAINERS

@@ -10442,13 +10442,6 @@ F:	drivers/crypto/keembay/keembay-ocs-hcu-core.c
 F:	drivers/crypto/keembay/ocs-hcu.c
 F:	drivers/crypto/keembay/ocs-hcu.h
 
-INTEL THUNDER BAY EMMC PHY DRIVER
-M:	Nandhini Srikandan <nandhini.srikandan@intel.com>
-M:	Rashmi A <rashmi.a@intel.com>
-S:	Maintained
-F:	Documentation/devicetree/bindings/phy/intel,phy-thunderbay-emmc.yaml
-F:	drivers/phy/intel/phy-intel-thunderbay-emmc.c
-
 INTEL MANAGEMENT ENGINE (mei)
 M:	Tomas Winkler <tomas.winkler@intel.com>
 L:	linux-kernel@vger.kernel.org