Re-wrote converter to remove clock cycle delay on i_tready when handling
residual output and fixed improper handling of tlast during residual
data processing. Resolves some USB overflow issues when using sc12 data
type on B200 devices.
Signed-off-by: michael-west <michael.west@ettus.com>
Original-commit: 1fecf446e0358aa2b6a2d1f73a0daeac516435a0