MLBEDSW-9764: Optimize 1x1 Conv2D as FullyConnected

 - Batched Conv2D with kernel 1x1 can be optimized in the same way
as FullyConnected
 - Add condition to RewriteFullyConnected to detect the Conv2D case
 - Moved condition to scheduler when to buffer for FullyConnect
 - Extend CanSubdivide with optype FullyConnected
 - Set AxisOrder in TOSA reader for Conv2D

Change-Id: I8ecc9c5bb8700a00e18d54cb8cc209ab70d01f45
Signed-off-by: Johan Alfven <johan.alfven@arm.com>