ARM: tegra: Add #reset-cells for Tegra114 MC

The Tegra memory controller provides reset controls for hotflush reset,
so the #reset-cells property must be specified.
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra114.dtsi

@@ -542,6 +542,7 @@ mc: memory-controller@70019000 {
 
 		interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
 
+		#reset-cells = <1>;
 		#iommu-cells = <1>;
 	};