dt-bindings: mmc: sdhci-of-dwcmhsc: Add Sophgo CV1800B and SG2002 support

Add compatible value for the dwcmshc controller in Sophgo's CV1800B and
SG2002.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240217144202.3808-2-jszhang@kernel.orgSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml

@@ -19,6 +19,8 @@ properties:
       - rockchip,rk3568-dwcmshc
       - rockchip,rk3588-dwcmshc
       - snps,dwcmshc-sdhci
+      - sophgo,cv1800b-dwcmshc
+      - sophgo,sg2002-dwcmshc
       - thead,th1520-dwcmshc
 
   reg: