Staging: vt6656: Rename hostap_set_hostapd, hostap_iotctl.

The functions hostap_set_hostapd, hostap_iotctl clashed with functions of the
same name with CONFIG_HOSTAP=y and/or CONFIG_VT6655=y.

Signed-off-by: Forest Bond <forest@alittletooquiet.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>