dt-bindings: arm: qcom: Document additional sa8540p device

Add the qdrive3 ride device to the valid device compatibles found on the
sa8540p platform.

Signed-off-by: Parikshit Pareek <quic_ppareek@quicinc.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221118025158.16902-2-quic_ppareek@quicinc.com