drivers: dma: siwx91x: Early init is not required

DMA can be initialized with the other devices. The user only need to the
ensure CONFIG_DMA_INIT_PRIORITY is less than the DMA consumers.

Signed-off-by: Jérôme Pouiller <[email protected]>

Author: jerome-pouiller

drivers/dma/dma_silabs_siwx91x.c

@@ -674,6 +674,6 @@ static DEVICE_API(dma, siwx91x_dma_api) = {
 		.irq_configure = siwx91x_dma_irq_configure_##inst,                                 \
 	};                                                                                         \
 	DEVICE_DT_INST_DEFINE(inst, &siwx91x_dma_init, NULL, &dma_data_##inst, &dma_cfg_##inst,    \
-			      PRE_KERNEL_1, CONFIG_DMA_INIT_PRIORITY, &siwx91x_dma_api);
+			      POST_KERNEL, CONFIG_DMA_INIT_PRIORITY, &siwx91x_dma_api);
 
 DT_INST_FOREACH_STATUS_OKAY(SIWX91X_DMA_INIT)