staging: rtl8723au: Call usb_write*() functions directly

This allows us to finally remove the ugly HAL interface for accessing
registers, and remove rtw_io.c

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
23 files changed