ARM: tegra: colibri_t30: drop obsolete spidev node

Drop obsolete spidev device tree node as nowadays one should do this
by binding the spidev driver to specific instances/chip selects at
runtime.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra30-colibri-eval-v3.dts

@@ -88,12 +88,6 @@ can0: can@0 {
 			interrupts = <TEGRA_GPIO(S, 0) IRQ_TYPE_EDGE_RISING>;
 			spi-max-frequency = <10000000>;
 		};
-
-		spidev0: spi@1 {
-			compatible = "spidev";
-			reg = <1>;
-			spi-max-frequency = <25000000>;
-		};
 	};
 
 	/* SD/MMC */