ARM: dt: dove: add video decoder power domain description

Add the description of the video decoder power domain to the PMU DT
entry.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: NAndrew Lunn <andrew@lunn.ch>
Signed-off-by: NGregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm/boot/dts/dove.dtsi

@@ -432,6 +432,12 @@
 				#reset-cells = <1>;
 
 				domains {
+					vpu_domain: vpu-domain {
+						#power-domain-cells = <0>;
+						marvell,pmu_pwr_mask = <0x00000008>;
+						marvell,pmu_iso_mask = <0x00000001>;
+						resets = <&pmu 16>;
+					};
 				};
 
 				thermal: thermal-diode@001c {