ieee802154: add brief tag to configuration macros

sys/include/net/ieee802154.h

@@ -116,24 +116,39 @@ extern const uint8_t ieee802154_addr_bcast[IEEE802154_ADDR_BCAST_LEN];
  * @ingroup  config
  * @{
  */
+/**
+ * @brief IEEE802.15.4 default sub-GHZ channel
+ */
 #ifndef IEEE802154_DEFAULT_SUBGHZ_CHANNEL
 #define IEEE802154_DEFAULT_SUBGHZ_CHANNEL   (5U)
 #endif
 
+/**
+ * @brief IEEE802.15.4 default channel
+ */
 #ifndef IEEE802154_DEFAULT_CHANNEL
 #define IEEE802154_DEFAULT_CHANNEL          (26U)
 #endif
 
+/**
+ * @brief IEEE802.15.4 default sub-GHZ page
+ */
 #ifndef IEEE802154_DEFAULT_SUBGHZ_PAGE
 #define IEEE802154_DEFAULT_SUBGHZ_PAGE      (2U)
 #endif
 
+/**
+ * @brief IEEE802.15.4 default PANID
+ */
 #ifndef IEEE802154_DEFAULT_PANID
 #define IEEE802154_DEFAULT_PANID            (0x0023U)
 #endif
 
+/**
+ * @brief IEEE802.15.4 default TX power (in dBm)
+ */
 #ifndef IEEE802154_DEFAULT_TXPOWER
-#define IEEE802154_DEFAULT_TXPOWER          (0) /* in dBm */
+#define IEEE802154_DEFAULT_TXPOWER          (0)
 #endif
 /** @} */