MLBEDSW-11000: Added TOSA reader validation for graph output
Added validation of the TOSA graph output to make sure that each output tensor have at least one operator writing to it. This validation is required to pass negative CTS testing.
Change-Id: I3ecbe677a5f3b78183dc5fb1c03c7f32d4fa1661 Signed-off-by: Max Bergfelt max.bergfelt@arm.com