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: Rob Herring <[e-mail]>
Signed-off-by: Vamsi Krishna Gattupalli <[e-mail]>
Signed-off-by: Srinivas Kandagatla <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

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

···
 	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>