STM32L0 update drivers version to CUBE V1.11.3

[jeromecoutant]

Summary of changes

ST Cube drivers version is updated from V1.10.0 to V1.11.3
which is the latest official version from:

https://github.com/STMicroelectronics/STM32CubeL0/

• directories have been restructured to be aligned with other STM32 families
• Sub-family MCU has been introduced in targets.json to help custom boards use

@ARMmbed/team-st-mcd

Pull Request on top of #13611
@alcheagle

Impact of changes

PR fix #6138

Migration actions required

Documentation

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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

Tested by ST CI

[] 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

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[ciarmcom]

@jeromecoutant, thank you for your changes.
@ARMmbed/mbed-os-maintainers please review.

[0xc0170]

Travis sees only older commit, I restarted it but most like it stays the same. I might close/reopen this PR.

[jeromecoutant]

Travis sees only older commit, I restarted it but most like it stays the same. I might close/reopen this PR.

Pull Request is on top of #13611, which is not merged yet :-)

[0xc0170]

I see. OK then, we shall get 13611 in today to unblock this PR.

[mergify]

This PR cannot be merged due to conflicts. Please rebase to resolve them.

[jeromecoutant]

This PR cannot be merged due to conflicts. Please rebase to resolve them.

Done

[jeromecoutant]

PR fix #6138

[mergify]

This PR cannot be merged due to conflicts. Please rebase to resolve them.

[jeromecoutant]

This PR cannot be merged due to conflicts. Please rebase to resolve them.

Done

[0xc0170]

Pull Request on top of #13611

This PR was merged, this should be ready once rebased.

@jeromecoutant PR #13782 merged. Please rebase. Travis should be green now

[0xc0170]

CI started

[mbed-ci]

Jenkins CI Test : ✔️ SUCCESS

Build Number: 1 | 🔒 Jenkins CI Job | 🌐 Logs & Artifacts

CLICK for Detailed Summary

jobs	Status
jenkins-ci/mbed-os-ci_unittests	✔️
jenkins-ci/mbed-os-ci_build-ARM	✔️
jenkins-ci/mbed-os-ci_build-GCC_ARM	✔️
jenkins-ci/mbed-os-ci_greentea-test	✔️
jenkins-ci/mbed-os-ci_dynamic-memory-usage	✔️
jenkins-ci/mbed-os-ci_cloud-client-pytest	✔️