staging: vt6656: s_vGenerateTxParameter dead code bDisCRC

As result of patch
vt6656: rxtx.c s_vFillCTSHead remove dead code bDisCRC

bDisCRC is unused.

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