UPSTREAM: dt-bindings: soc: sophgo: Move SoCs/boards from riscv into soc, add SG2000

Move sophgo.yaml from riscv into soc/sophgo so that it can be shared for
all SoCs containing ARM cores as well. This already applies to SG2002.

Add SG2000 SoC, Milk-V Duo Module 01 and Milk-V Module 01 EVB.

Reviewed-by: Chen Wang <[email protected]>
Reviewed-by: Inochi Amaoto <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Signed-off-by: Alexander Sverdlin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Inochi Amaoto <[email protected]>
Signed-off-by: Chen Wang <[email protected]>
Signed-off-by: Chen Wang <[email protected]>
(cherry picked from commit 610f943)
Signed-off-by: Han Gao <[email protected]>

Author: sverdlin

Documentation/devicetree/bindings/riscv/sophgo.yaml renamed to Documentation/devicetree/bindings/soc/sophgo/sophgo.yaml

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/riscv/sophgo.yaml#
+$id: http://devicetree.org/schemas/soc/sophgo/sophgo.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Sophgo SoC-based boards
@@ -26,6 +26,11 @@ properties:
           - enum:
               - sophgo,huashan-pi
           - const: sophgo,cv1812h
+      - items:
+          - enum:
+              - milkv,duo-module-01-evb
+          - const: milkv,duo-module-01
+          - const: sophgo,sg2000
       - items:
           - enum:
               - sipeed,licheerv-nano-b