staging: vt6655: rxtx replace typedef struct tagSRrvTime_ab with struct vnt_rrv_time_ab

Replacing members
wRTSTxRrvTime and wTxRrvTime
with
rts_rrv_time and rrv_time

using __le16 type

Moving structure to rxtx.h

pvRrvTime is a void pointer

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