MLBEDSW-5880 Fixed Vela verbose weight flag

*Original weights and encoded NPU weight now report correct size instead
of zero when running vela with --verbose-weights flag
(Code to update the aforementioned attributes was missing)

*Removed print references to unencoded NPU weight size

Change-Id: I6d3e41c04cc46d24eeb54cab89818a35e5df27be
Signed-off-by: Ayaan Masood <Ayaan.Masood@arm.com>
diff --git a/ethosu/vela/scheduler.py b/ethosu/vela/scheduler.py
index 8f2426c..6b08459 100644
--- a/ethosu/vela/scheduler.py
+++ b/ethosu/vela/scheduler.py
@@ -339,7 +339,7 @@
         self.nng = nng
         self.sg = sg
         self.arch = arch
-        self.sched_ops: List(SchedulerOperation) = []
+        self.sched_ops: List[SchedulerOperation] = []
         self.max_schedule = None
         self.scheduler_options = options
 
@@ -459,7 +459,6 @@
     def create_initial_schedule(self) -> Schedule:
         """Creates an initial schedule with no cascading or buffering of any kind"""
         schedule = Schedule(self.sg, "MAX")
-
         for op in self.sched_ops:
             cost = op.create_scheduler_info(self.nng, op.ofm.shape)
             cost.cycles = self.estimate_op_performance(op, cost.block_config, op.ofm.shape.depth)