brcmfmac: cleanup brcmf_cfg80211_profile structure

A couple of unused fields have been removed and kernel-doc info has
been added to the structure.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h

@@ -214,23 +214,17 @@ struct brcmf_cfg80211_security {
 	u32 wpa_auth;
 };
 
-/* ibss information for currently joined ibss network */
-struct brcmf_cfg80211_ibss {
-	u8 beacon_interval;	/* in millisecond */
-	u8 atim;		/* in millisecond */
-	s8 join_only;
-	u8 band;
-	u8 channel;
-};
-
-/* dongle profile */
+/**
+ * struct brcmf_cfg80211_profile - profile information.
+ *
+ * @ssid: ssid of associated/associating ap.
+ * @bssid: bssid of joined/joining ibss.
+ * @sec: security information.
+ */
 struct brcmf_cfg80211_profile {
-	u32 mode;
 	struct brcmf_ssid ssid;
 	u8 bssid[ETH_ALEN];
 	struct brcmf_cfg80211_security sec;
-	struct brcmf_cfg80211_ibss ibss;
-	s32 band;
 };
 
 /**