dt-bindings: reset: sophgo: Add CV1800B support

Add bindings for the reset generator on the SOPHGO CV1800B
RISC-V SoC.

Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250617070144.1149926-2-inochiama@gmail.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

Author: inochisa

Documentation/devicetree/bindings/reset/sophgo,sg2042-reset.yaml

@@ -16,7 +16,9 @@ properties:
           - enum:
               - sophgo,sg2044-reset
           - const: sophgo,sg2042-reset
-      - const: sophgo,sg2042-reset
+      - enum:
+          - sophgo,cv1800b-reset
+          - sophgo,sg2042-reset
 
   reg:
     maxItems: 1