TOSA: Added support for ADD, SUB and MUL

Added support for ADD, SUB and MUL

Signed-off-by: Patrik Gustavsson <patrik.gustavsson@arm.com>
Change-Id: I52acdc126b16e2cf4096bcf7a77023ea7d204998
diff --git a/ethosu/vela/operation.py b/ethosu/vela/operation.py
index 80be228..681f498 100644
--- a/ethosu/vela/operation.py
+++ b/ethosu/vela/operation.py
@@ -244,6 +244,7 @@
     ReluN = OperatorInfo(indices=NNG_IFM_INDICES)  # TOSA specific
     Rescale = OperatorInfo(indices=NNG_IFM_INDICES)  # TOSA specific
     RescaleAdd = OperatorInfo(block_type=NpuBlockType.ElementWise, indices=NNG_IFM_IFM2_INDICES)
+    RescaleMul = OperatorInfo(block_type=NpuBlockType.ElementWise, indices=NNG_IFM_IFM2_INDICES)
     Reshape = OperatorInfo(indices=NNG_IFM_INDICES)
     ResizeBilinear = OperatorInfo(block_type=NpuBlockType.Pooling, indices=NNG_IFM_INDICES)
     ResizeNearestNeighbor = OperatorInfo()