arm64: tegra: Add host1x hotflush reset on Tegra210

Add the host1x memory client hotflush reset on Tegra210.
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra210.dtsi

@@ -93,8 +93,8 @@ host1x@50000000 {
 		interrupt-names = "syncpt", "host1x";
 		clocks = <&tegra_car TEGRA210_CLK_HOST1X>;
 		clock-names = "host1x";
-		resets = <&tegra_car 28>;
-		reset-names = "host1x";
+		resets = <&tegra_car 28>, <&mc TEGRA210_MC_RESET_HC>;
+		reset-names = "host1x", "mc";
 
 		#address-cells = <2>;
 		#size-cells = <2>;