Arm backend: Add tests for TOSA and VGF for extract_io_params_tosa + fix for bug with is_U55_subset

[wwwind]

Fix error with "is_U55_subset" by changing TOSAQuantizer to accept compiled spec

Change-Id: I164d68190e6fb9edd2efb9c8bd2da8c1bfc4e406
Signed-off-by: Elena Zhelezina [email protected]

cc @digantdesai @freddan80 @per @zingo @oscarandersson8218

[pytorch-bot]

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• ghstack-mergeability-check and Check labels failing with 'Resource not accessible by integration'

❌ 2 New Failures, 1 Cancelled Job, 1 Unrelated Failure

As of commit 57e5336 with merge base 90ff059 ():

NEW FAILURES - The following jobs have failed:

• Build documentation / build (buck2) / Build doc (gh)
  At least one of the pre-conditions you specified did not hold
• pull / test-moshi-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 813554ab055e23292e04df37d543860c8309b7957a18c36e315da9589669cd41 /exec failed with exit code 1

CANCELLED JOB - The following job was cancelled. Please retry:

• trunk / test-models-arm-zephyr (add) / linux-job (gh)

BROKEN TRUNK - The following job failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / test-openvino-linux / linux-job (gh) (trunk failure)
  AttributeError: '_OpNamespace' 'quantized_decomposed' object has no attribute 'convert_element_type'

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[zingo]

fails are unrerlated

[digantdesai]

Nit: do you want to split into two constructors, instead of overloading..

def __init__(self, tosa_spec):
[...]

and

@classmethod
def from_compilespec(self, compilespec):
[...]