staging: rtl8187se: Removed unused parameters of HwHSSIThreeWire()

Removed two parameters of HwHSSIThreeWire() that are equal in all
function calls, fixed return type, fixed register width and simplified
code

Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>