Correct the terminology for dBm and mBm

In Linux source files, the correct terminologya is mBm rather than mdBm.
In traditional measurements, 'm' usually represents 10 to the power of
negative three.
However, 1 dBm equals 100 mBm, so using mdBm could be misleading.

Author: jychen0611

vwifi.c

@@ -1852,7 +1852,7 @@ static int vwifi_set_tx_power(struct wiphy *wiphy,
     struct vwifi_vif *vif = wdev_get_vwifi_vif(wdev);
     if (mutex_lock_interruptible(&vif->lock))
         return -ERESTARTSYS;
-    /* 1 DBM = 100 MBM */
+    /* 1 dBm = 100 mBm */
     vif->tx_power = MBM_TO_DBM(mbm);
     mutex_unlock(&vif->lock);
     return 0;
@@ -2074,7 +2074,7 @@ static struct wiphy *vwifi_cfg80211_add(void)
     /* Signal type
      * CFG80211_SIGNAL_TYPE_UNSPEC allows us specify signal strength from 0 to
      * 100. The reasonable value for CFG80211_SIGNAL_TYPE_MBM is -3000 to -10000
-     * (mdBm).
+     * (mBm).
      */
     wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;