Detect problematic blob size at link time

[xermicus]

Emit a compiler warning (or error) if we detect the final blob size to exceed the pallets limits.

Tasks

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1. Add a command line flag to provide the memory limit (different chains can exhibit different limits), and assume AH as default
2. Helper to calculate the maximum linked blob size given the static memory buffer and the the pallet limits
3. Check it after linting and emit a warning if over the threshold
4. By default it should error out but we want to have a flag to ignore it