remoteproc: qcom: pas: Add SC7180 Modem support

Add support for booting the Modem DSP found on Qualcomm's SC7180 SoCs.

Tested-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200421143228.8981-3-sibis@codeaurora.org


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