esp_wifi: update noise floor unit

components/esp_wifi/include/esp_wifi_types.h

@@ -344,7 +344,7 @@ typedef struct {
     unsigned fec_coding:1;        /**< Flag is set for 11n packets which are LDPC */
     unsigned sgi:1;               /**< Short Guide Interval(SGI). 0: Long GI; 1: Short GI */
 #if CONFIG_IDF_TARGET_ESP32
-    signed noise_floor:8;         /**< noise floor of Radio Frequency Module(RF). unit: 0.25dBm*/
+    signed noise_floor:8;         /**< noise floor of Radio Frequency Module(RF). unit: dBm*/
 #elif CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3
     unsigned :8;                  /**< reserved */
 #endif
@@ -357,14 +357,14 @@ typedef struct {
 #if CONFIG_IDF_TARGET_ESP32S2
     unsigned :32;                 /**< reserved */
 #elif CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3
-    signed noise_floor:8;         /**< noise floor of Radio Frequency Module(RF). unit: 0.25dBm*/
+    signed noise_floor:8;         /**< noise floor of Radio Frequency Module(RF). unit: dBm*/
     unsigned :24;                 /**< reserved */
     unsigned :32;                 /**< reserved */
 #endif
     unsigned :31;                 /**< reserved */
     unsigned ant:1;               /**< antenna number from which this packet is received. 0: WiFi antenna 0; 1: WiFi antenna 1 */
 #if CONFIG_IDF_TARGET_ESP32S2
-    signed noise_floor:8;         /**< noise floor of Radio Frequency Module(RF). unit: 0.25dBm*/
+    signed noise_floor:8;         /**< noise floor of Radio Frequency Module(RF). unit: dBm*/
     unsigned :24;                 /**< reserved */
 #elif CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3
     unsigned :32;                 /**< reserved */