Fix baremetal nightly test build issue

[rajkan01]

Summary of changes

A below list of targets baremetal nightly test build failed due to recently moved mbed-os/features/netsocket/emac-drivers to mbed-os/connectivity/drivers/emac drivers, so added mbed_lib.json config on every respective target emac drivers to avoid default inclusion by build tools.

• ARCH_PRO
• LPC1768
• NUMAKER_IOT_M487
• NUMAKER_PFM_M487
• NUMAKER_PFM_NUC472
• RZ_A1H

Impact of changes

With these changes, emac drivers will not be get included in the baremetal profile build

Migration actions required

None.

Documentation

None.

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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)

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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

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Reviewers

@evedon @LDong-Arm

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[ciarmcom]

@rajkan01, thank you for your changes.
@evedon @LDong-Arm @ARMmbed/mbed-os-maintainers please review.

[0xc0170]

how it was selected previously - based on "feature" ?

these are targets drivers, so rather would expect to have one selection to enable "emac" and target would be selected properly (using TARGET_ rules). I can see one component here though in the target driver.

How this PR changes emac selection with the full build ?

[rajkan01]

how it was selected previously - based on "feature" ?
these are targets drivers, so rather would expect to have one selection to enable "emac" and target would be selected properly (using TARGET_ rules). I can see one component here though in the target driver.
How this PR changes emac selection with the full build ?

Yes, this is based on netsocket feature.
I thought about that like keep one mbed_lib.json for complete emac but some of the target emac drivers already had mbed_lib.json, so I added mbed_lib.json for missing target.
No change with a full build, This PR changes mainly resolve the build issue with baremetal profile

[LDong-Arm]

LGTM

[evedon]

I'd suggest to append the library name with driver- but otherwise fine.

[rajkan01]

@0xc0170 Could you review and start CI if you are fine with changes thanks

[0xc0170]

CI started

[mbed-ci]

Test run: SUCCESS

Summary: 6 of 6 test jobs passed
Build number : 1
Build artifacts