staging: rtl8192e: HTSetConnectBwMode message replace with debug.

The flag status of bCurBW40MHz is printed as info and is
only useful as debug message.

Replace with netdev_dbg in line with rest of driver.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>