Staging: wilc1000: constify cfg80211_ops structures

Check for cfg80211_ops structures that are only passed as the first
argument to the function wiphy_new. As this argument is constant, so
cfg80211_ops structures having this property can also be declared
constant.
Done using coccinelle:

@r1 disable optional_qualifier @
identifier i;
position p;
@@
static struct cfg80211_ops i@p = {...};

@ok1@
identifier r1.i;
position p;
expression e1;
@@
wiphy_new(&i@p,e1)

@bad@
position p!={r1.p,ok1.p};
identifier r1.i;
@@
i@p

@depends on !bad disable optional_qualifier@
identifier r1.i;
@@
static
+const
struct cfg80211_ops i={...};

@depends on !bad disable optional_qualifier@
identifier r1.i;
@@
+const
struct cfg80211_ops i;

File size before:
   text	   data	    bss	    dec	    hex	filename
  17468	   2417	  14912	  34797	   87ed
drivers/staging/wilc1000/wilc_wfi_cfgoperations.o

File size after:
   text	   data	    bss	    dec	    hex	filename
  18204	   1681	  14912	  34797	   87ed
drivers/staging/wilc1000/wilc_wfi_cfgoperations.o
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wfi_cfgoperations.c

@@ -2200,7 +2200,7 @@ static int get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
 	return ret;
 }
 
-static struct cfg80211_ops wilc_cfg80211_ops = {
+static const struct cfg80211_ops wilc_cfg80211_ops = {
 	.set_monitor_channel = set_channel,
 	.scan = scan,
 	.connect = connect,