Update linker scripts based on latest PDL 1.3

[kyle-cypress]

Description

This depends on PDL update (#11326 ) and BSP restructure (#11323 ). The PR branch is based off of the branch for #11323 because the diff does not apply cleanly to master. The unique commit is
f276f8a . It will be rebased once those PRs are merged.

Pull request type

[ ] Fix
[ ] Refactor
[x] Target update
[ ] Functionality change
[ ] Docs update
[ ] Test update
[ ] Breaking change

Reviewers

@ARMmbed/team-cypress

Release Notes

[ciarmcom]

@kyle-cypress, thank you for your changes.
@maclobdell @ARMmbed/mbed-os-maintainers @ARMmbed/mbed-os-pan please review.

[0xc0170]

Needs rebase now

[maclobdell]

I'm testing out the linker changes. Specifically testing a pre-built bootloader and pelion client example application for CY8CPROTO_062_4343W with GCC_ARM compiler. I'm testing off of 5.13.x with just this linker update made. (My mbed_app.json sets mbed_rom_start to 0x10000000. This would be better to be located in targets.json.)

With the linker changes applied, I get the following error.

Merging Regions
  Filling region bootloader1 with D:\maclobdell\mbed-os-pelion-example\bootloader/mbed-bootloader_cy8cproto.hex
  Skipping bootloader2 as it is merged previously
  Filling region header with .\BUILD\CY8CPROTO_062_4343W\GCC_ARM-RELEASE\mbed-os-pelion-example_header.hex
  Filling region application with .\BUILD\CY8CPROTO_062_4343W\GCC_ARM-RELEASE\mbed-os-pelion-example_application.hex
[ERROR] Data overlapped at address 0x10000000

This is because the pre-built bootloader file fills the area 0x10000000 - 0x1000C000. It already has the CM0+ area in it. But now the application is being built with the CM0+ in it.

So, are you proposing that when building the bootloader project, it does not include the CM0+ area? This is very possible, but I'm not sure your proposed changes provide a clear method for handling this situation.

[maclobdell]

After additional testing, I think the linker changes are okay.

After adding this to mbed_app.json for an application project, it successfully combines with a pre-built bootloader (which already has the CM0+ area added).

     "target.extra_labels_remove"                : ["CM0P_SLEEP"]         

[maclobdell]

More additional settings might be required to enable bootloader support, but for now the linker changes look good.

Please document this on the board platform page.

            "target.extra_labels_remove"                : ["CM0P_SLEEP"]         

[kyle-cypress]

Rebased on the rollup branch from #11367 . Added 3d8653c to address the bootloader issue discussed above by @cy-opm and @maclobdell .

[0xc0170]

@kyle-cypress Some PRs were integrated but looks like not properly so Github does not recognize them. Please rebase this one again

[adbridge]

ci started

[mbed-ci]

Test run: SUCCESS

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