arm64: dts: qcom: qrb4210-rb2: Enable aDSP and cDSP remoteproc nodes

Enable the aDSP and cDSP remoteproc nodes on Qualcomm QRB4210 RB2 board.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230516075908.2323372-4-bhupesh.sharma@linaro.org