ARM: tegra: venice2: Mark eMMC as non-removable

eMMC is soldered on to the board, and as such isn't removable. Mark it
as non-removable so that operating systems can treat it appropriately.
Signed-off-by: NThierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra124-venice2.dts

@@ -899,6 +899,7 @@
 	sdhci@0,700b0600 {
 		status = "okay";
 		bus-width = <8>;
+		non-removable;
 	};
 
 	ahub@0,70300000 {