spi_mcux_dspi: Return error if data update fails

This data update returns an error, we should propogate it where it is
called if there is an error returned.

Signed-off-by: Declan Snyder <declan.snyder@nxp.com>

Author: decsny

drivers/spi/spi_mcux_dspi.c

@@ -704,7 +704,10 @@ static int transceive(const struct device *dev,
 	DSPI_ClearStatusFlags(base, (uint32_t)kDSPI_AllStatusFlag);
 	/* setup the tx buffer with end  */
 	mcux_init_inner_buffer_with_cmd(dev, 0);
-	mcux_spi_context_data_update(dev);
+	ret = mcux_spi_context_data_update(dev);
+	if (ret) {
+		goto out;
+	}
 	if (config->is_dma_chn_shared) {
 		data->transfer_len = data->frame_size >> 3;
 	} else {