dt-bindings: crypto: qcom,prng: document SA8775P and SC7280

Document SA8775P and SC7280 compatible for the True Random Number
Generator.
Signed-off-by: Om Prakash Singh <quic_omprsing@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Documentation/devicetree/bindings/crypto/qcom,prng.yaml

@@ -17,6 +17,8 @@ properties:
           - qcom,prng-ee  # 8996 and later using EE
       - items:
           - enum:
+              - qcom,sa8775p-trng
+              - qcom,sc7280-trng
               - qcom,sm8450-trng
               - qcom,sm8550-trng
           - const: qcom,trng