Updated targets.json file to go along with pr-11770

[morser499]

Description (required)

Added changes to targets.json that got missed in PR-11770. This is required for the changes in PR-11770 to work properly.

Summary of change (What the change is for and why)

Updated targets.json file to convert CM0P_SLEEP from a label into a component so the files can be picked up properly.

Documentation (Details of any document updates required)

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Pull request type (required)

[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 (required)

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

GT_FT_KIT_062_BLE_GCC.txt
GT_FT_KIT_062_WIFI_BT_GCC.txt
GT_FT_PROTO_062_4343W_GCC.txt

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Reviewers (optional)

@dgreen-arm @maclobdell @0xc0170

[ciarmcom]

@morser499, thank you for your changes.
@dgreen-arm @0xc0170 @maclobdell @ARMmbed/mbed-os-maintainers please review.

[dgreen-arm]

This PR fixes the issues that the TLS and Crypto Mbed OS examples were having.

[0xc0170]

CI started

[mbed-ci]

Test run: SUCCESS

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