arm64: dts: qcom: sm6115: Add remoteproc nodes

Add the adsp, cdsp and modem remoteproc nodes to sm6115.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
[bjorn: Extended regs to match #address/size-cells to 2]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230128054256.2100501-1-bhupesh.sharma@linaro.org