drivers: dac: doc: Cleanup Doxygen documentation

Fixed Doxygen doc for dac_channel_cfg struct.

Signed-off-by: Benjamin Cabé <[email protected]>

include/zephyr/drivers/dac.h

@@ -26,19 +26,17 @@ extern "C" {
  */
 
 /**
- * @struct dac_channel_cfg
  * @brief Structure for specifying the configuration of a DAC channel.
- *
- * @param channel_id Channel identifier of the DAC that should be configured.
- * @param resolution Desired resolution of the DAC (depends on device
- *                   capabilities).
- * @param buffered Enable output buffer for this channel. This is relevant for instance
- *                 if the output is directly connected to the load, without an amplifier
- *                 in between. The actual details on this are hardware dependent.
  */
 struct dac_channel_cfg {
+	/** Channel identifier of the DAC that should be configured. */
 	uint8_t channel_id;
+	/** Desired resolution of the DAC (depends on device capabilities). */
 	uint8_t resolution;
+	/** Enable output buffer for this channel.
+	 * This is relevant for instance if the output is directly connected to the load,
+	 * without an amplifierin between. The actual details on this are hardware dependent.
+	 */
 	bool buffered;
 };