staging: brcm80211: fix for reported log spam problem

staging: brcm80211: fix for reported log spam problem

Every few minutes, this message would appear in syslog:

ieee80211 ph0: wl_ops_bss_info_changed: BSS idle: true (implement)

The message has been deleted, the driver requires no special action on this
particular event (). See: https://bugzilla.kernel.org/show_bug.cgi?id=38162

Reported-by: David Hill <[email protected]>
Signed-off-by: Roland Vossen <[email protected]>
Reviewed-by: Arend van Spriel <[email protected]>
Reviewed-by: Franky Lin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>