arm64: dts: tegra210-p2180: Correct sdmmc4 vqmmc-supply

[ Upstream commit 6ff7705da8806de45ca1490194f0b4eb07725804 ]

On p2180 sdmmc4 is powered from a fixed 1.8 V regulator.
Signed-off-by: NAapo Vienamo <avienamo@nvidia.com>
Reviewed-by: NMikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: NThierry Reding <treding@nvidia.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>

arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi

@@ -282,6 +282,7 @@
 		status = "okay";
 		bus-width = <8>;
 		non-removable;
+		vqmmc-supply = <&vdd_1v8>;
 	};
 
 	clocks {