MLBEDSW-11024: Refactor of TOSA reader
Performed 3 refactors in the TOSA reader.
- Numbered IFM tensors usages (IFM1, IFM2, etc).
- Added a struct for graph tensor information.
- Changed function and variable names from snake case to pascal and camel case.
Change-Id: I412165e349ea6d7427ed96144b71847ad07b67c3 Signed-off-by: Max Bergfelt max.bergfelt@arm.com