note: SDP isn't a "proper" fpgadataflow op as it's not derived
from HLSCustomOp, but still better to have it here instead of
in finn-base

includes trained model + Python validation script

[test_move_identical_op_past_join_op]: added test case for new transformation.

* Assign BD address segments based on actual range

* Change minimum address range to 4k

* [Test] lfc end2end tests use runtime-wr weights instead of tfc

Co-authored-by: Yaman Umuroglu <yamanu@xilinx.com>