MLBEDSW-10936: Add TOSA graph optimiser
Added a graph optimiser that will only be ran for TOSA networks, similarly to the already existing one for TFLite. Moved over a function which will break TransposeConv2D operators when ran for TFLite networks.
Change-Id: I3108b7beb7ebf1eb21abf5b8f8b9027a135e676b Signed-off-by: Max Bergfelt max.bergfelt@arm.com