brcm80211: smac: some local function made static in main.c

In main.c a couple of functions were not static although they
were only locally used. Sparse gave warnings on them and these
functions have been made static.
Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmsmac/main.c

@@ -618,8 +618,7 @@ static void brcms_b_update_slot_timing(struct brcms_hardware *wlc_hw,
  * calculate frame duration of a given rate and length, return
  * time in usec unit
  */
-uint
-brcms_c_calc_frame_time(struct brcms_c_info *wlc, u32 ratespec,
+static uint brcms_c_calc_frame_time(struct brcms_c_info *wlc, u32 ratespec,
 				    u8 preamble_type, uint mac_len)
 {
 	uint nsyms, dur = 0, Ndps, kNdps;
@@ -4184,7 +4183,7 @@ void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci,
 	}
 }
 
-void brcms_c_edcf_setparams(struct brcms_c_info *wlc, bool suspend)
+static void brcms_c_edcf_setparams(struct brcms_c_info *wlc, bool suspend)
 {
 	u16 aci;
 	int i_ac;
@@ -6100,7 +6099,7 @@ void brcms_c_print_txdesc(struct d11txh *txh)
 #endif				/* defined(BCMDBG) */
 
 #if defined(BCMDBG)
-int
+static int
 brcms_c_format_flags(const struct brcms_c_bit_desc *bd, u32 flags, char *buf,
 		     int len)
 {