remoteproc: qcom_q6v5_mss: Add modem debug policy support

Add modem debug policy support which will enable coredumps and live
debug support when the msadp firmware is present on secure devices.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200722201047.12975-4-sibis@codeaurora.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>