dt-bindings: misc: add fastrpc domain vmid property

Add fastrpc domain virtual machine IDs property. This property is used to
setup memory protection for remote processor.
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NVamsi Krishna Gattupalli <quic_vgattupa@quicinc.com>
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220214161002.6831-8-srinivas.kandagatla@linaro.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/devicetree/bindings/misc/qcom,fastrpc.txt

@@ -22,6 +22,11 @@ other tasks.
 	Value type: <boolean>
 	Definition: Property to specify that dsp domain is non-secure.
 
+- qcom,vmids:
+	Usage: optional
+	Value type: <u32 array>
+	Definition: Virtual machine IDs for remote processor.
+
 - #address-cells
 	Usage: required
 	Value type: <u32>