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Level 1: Partition stack size is fixed instead of from manifest
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The stack for each partition which is defined in spm_partition_desc_t is fixed to TFM_STACK_SIZE, this limits the partitions to a unified stack size which is wrong as some partitions don't need a lot of stack while others (especially crypto) needs a larger stack.

The manifest defines a stack_size attribute which should be used.

This is a blocker issue as our Crypto partition needs a 16KB stack.