staging: r8188eu: Add files for new driver - part 27

This commit adds files include/rtw_ht.h, include/rtw_io.h,
include/rtw_ioctl.h, include/rtw_ioctl_rtl.h, include/rtw_ioctl_set.h,
include/rtw_iol.h, and include/rtw_led.h.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>