Initial version for Quectel M26 GSM/GPRS Module.

[tz-arm]

Description

Add a new target support in cellular stack: Quectel M26 GSM/GPRS module.
Tested via https://github.com/ARMmbed/mbed-os-example-cellular with K64F + Quectel M26.

Pull request type

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

Reviewers

@mhiljane @AriParkkila

[ciarmcom]

@tz-arm, thank you for your changes.
@AriParkkila @mhiljane @ARMmbed/mbed-os-wan @ARMmbed/mbed-os-maintainers please review.

[cmonr]

@mbed-os-wan @AriParkkila @mhiljane Please take a look.

[tz-arm]

Could anyone share some materials about"continuous-integration/jenkins/pr-head" and anything I need to do to merge to trunk? thanks!

[0xc0170]

Could anyone share some materials about"continuous-integration/jenkins/pr-head" and anything I need to do to merge to trunk? thanks!

We will start CI soon. Sorry for the delay, we are working on 5.11.2 release candidate

[0xc0170]

CI started

[mbed-ci]

Test run: FAILED

Summary: 1 of 7 test jobs failed
Build number : 1
Build artifacts

Failed test jobs:

• jenkins-ci/mbed-os-ci_build-ARM

[0xc0170]

CI job was aborted, 5.11.2 RC candidate is in the CI. We will restart it as soon as 5.11.2 RC is ready

[cmonr]

CI started

[mbed-ci]

Test run: FAILED

Summary: 1 of 11 test jobs failed
Build number : 2
Build artifacts

Failed test jobs:

• jenkins-ci/mbed-os-ci_cloud-client-test

[cmonr]

CI job jenkins-ci/cloud-client-test got stuck.
Restarted.