dt-bindings: remoteproc: Add PDC reset binding for Q6V5 PIL

Add additional pdc_reset binding required for Q6V5 Modem PIL on
SDM845 SoCs.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt

@@ -53,6 +53,8 @@ on the Qualcomm Hexagon core.
 	Definition: reference to the reset-controller for the modem sub-system
 		    reference to the list of 3 reset-controllers for the
 		    wcss sub-system
+		    reference to the list of 2 reset-controllers for the modem
+		    sub-system on SDM845 SoCs
 
 - reset-names:
 	Usage: required
@@ -60,6 +62,8 @@ on the Qualcomm Hexagon core.
 	Definition: must be "mss_restart" for the modem sub-system
 		    must be "wcss_aon_reset", "wcss_reset", "wcss_q6_reset"
 		    for the wcss sub-system
+		    must be "mss_restart", "pdc_reset" for the modem
+		    sub-system on SDM845 SoCs
 
 - cx-supply:
 - mss-supply: