arm64: tegra: Enable command queue for Tegra186 SDMMC4

The workaround for a hardware bug preventing this from working has been
merged now, so command queue support can be enabled again for Tegra186.
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra186.dtsi

@@ -321,6 +321,7 @@ sdmmc4: sdhci@3460000 {
 		nvidia,default-trim = <0x5>;
 		nvidia,dqs-trim = <63>;
 		mmc-hs400-1_8v;
+		supports-cqe;
 		status = "disabled";
 	};