NANO130: Fix OOM with packing algorithm at IAR linking

[ccli8]

Summary of changes

This PR tries to address #12033 (comment) for NUMAKER_PFM_NANO130 target:

1. At IAR linking, the default method of initialize by copy is auto, which will estimate different packing algorithms, including complex lz77, for smallest memory footprint. But the algorithm itself can require some SRAM overhead and cause OOM at linking stage for small SRAM target like NANO130, which just has 16KiB SRAM. To avoid this error on NANO130, always choose none packing algorithm.
2. On IAR, heap configuration is hard-coded and cannot be adjusted according to static SRAM usage. Reduce heap configuration to spare more SRAM for static allocation.

---

Pull request type

[x] Patch update (Bug fix / Target update / Docs update / Test update / Refactor)
[] Feature update (New feature / Functionality change / New API)
[] Major update (Breaking change E.g. Return code change / API behaviour change)

---

Test results

[] No Tests required for this change (E.g docs only update)
[x] Covered by existing mbed-os tests (Greentea or Unittest)
[] Tests / results supplied as part of this PR

---

Reviewers

@mprse @0xc0170

[ciarmcom]

@ccli8, thank you for your changes.
@mprse @0xc0170 @Ronny-Liu @ARMmbed/mbed-os-maintainers please review.

[mprse]

I can confirm that this solves the problem found in PR #12033.

@ccli8 Thanks for help!

[0xc0170]

On IAR, heap configuration is hard-coded and cannot be adjusted according to static SRAM usage. Reduce heap configuration to spare more SRAM for static allocation.

We haven't yet enabled dynamic, have we ? 👀 cc @mprse

[0xc0170]

As there is a dependancy on this one for 5.15rc2, this one was set to the same version 5.15rc2

cc @adbridge

[0xc0170]

@ccli8 see https://github.com/ARMmbed/mbed-os/pull/10938/files , can this target one as well?

Change line 24:

mbed-os/targets/TARGET_NUVOTON/TARGET_NANO100/device/TOOLCHAIN_IAR/NANO130.icf

Line 24 in 3e4e062

define block HEAP with alignment = 8, size = __ICFEDIT_size_heap__ { };

, to use dynamic heap.

[0xc0170]

Suggested change

	define block HEAP with alignment = 8, size = __ICFEDIT_size_heap__ { };
	define block HEAP with expanding size, alignment = 8, minimum size = __ICFEDIT_size_heap__ { };

[0xc0170]

I can't commit to the branch, this should do the trick

[0xc0170]

Dynamic heap change can be done separately, the PR as it is should fix the issue (heap will be set as minimum once we get dynamic heap there) and unblock other PRs . Starting CI now

[mbed-ci]

Test run: SUCCESS

Summary: 11 of 11 test jobs passed
Build number : 1
Build artifacts