ARM: tegra: Add host1x hotflush reset on Tegra124

Add the host1x memory client hotflush reset on Tegra124.
Signed-off-by: NThierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra124.dtsi

@@ -94,8 +94,8 @@
 		interrupt-names = "syncpt", "host1x";
 		clocks = <&tegra_car TEGRA124_CLK_HOST1X>;
 		clock-names = "host1x";
-		resets = <&tegra_car 28>;
-		reset-names = "host1x";
+		resets = <&tegra_car 28>, <&mc TEGRA124_MC_RESET_HC>;
+		reset-names = "host1x", "mc";
 		iommus = <&mc TEGRA_SWGROUP_HC>;
 
 		#address-cells = <2>;