arm64: tegra: Fix DMA ID for SPI2

DMA ID for SPI2 is '16'. Update the incorrect value in the devicetree.

Fixes: bb9667d ("arm64: tegra: Add SPI device tree nodes for Tegra234")
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Link: https://lore.kernel.org/r/20241206105201.53596-1-akhilrajeev@nvidia.com
Signed-off-by: Thierry Reding <treding@nvidia.com>

Author: akhilr-nv

arch/arm64/boot/dts/nvidia/tegra234.dtsi

@@ -3900,7 +3900,7 @@
 			assigned-clock-parents = <&bpmp TEGRA234_CLK_PLLP_OUT0>;
 			resets = <&bpmp TEGRA234_RESET_SPI2>;
 			reset-names = "spi";
-			dmas = <&gpcdma 19>, <&gpcdma 19>;
+			dmas = <&gpcdma 16>, <&gpcdma 16>;
 			dma-names = "rx", "tx";
 			dma-coherent;
 			status = "disabled";