media: dt: bindings: tegra-vde: Document new optional Memory Client reset property

Recently binding of the Memory Controller has been extended, exposing
the Memory Client reset controls and hence it is now a reset controller.
Tegra video-decoder device is among the Memory Controller reset users,
document the new optional VDE HW reset property.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt

@@ -27,9 +27,15 @@ Required properties:
   - sxe
 - clocks : Must include the following entries:
   - vde
-- resets : Must include the following entries:
+- resets : Must contain an entry for each entry in reset-names.
+- reset-names : Should include the following entries:
   - vde
 
+Optional properties:
+- resets : Must contain an entry for each entry in reset-names.
+- reset-names : Must include the following entries:
+  - mc
+
 Example:
 
 video-codec@6001a000 {
@@ -51,5 +57,6 @@ video-codec@6001a000 {
 		     <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>; /* SXE interrupt */
 	interrupt-names = "sync-token", "bsev", "sxe";
 	clocks = <&tegra_car TEGRA20_CLK_VDE>;
-	resets = <&tegra_car 61>;
+	reset-names = "vde", "mc";
+	resets = <&tegra_car 61>, <&mc TEGRA20_MC_RESET_VDE>;
 };