[RyzenAI] Few TIMM model do not run on IPU

Ryzen SDK: 1.0.1 (Need to check with Ryzen SDK 1.1)

Some of the models in TIMM CI do not run on IPU. Among these models some show `No. of Subgraphs` for IPU > 0.

For example log for `timm_resnest50d.in1k`
```
[Vitis AI EP] No. of Operators : CPU 1166
[Vitis AI EP] No. of Subgraphs : CPU 33 IPU 33
```

Expected Behavior:
1. All models run on device
2. Proper log message