fix(emac-drivers): Remove incorrect RMII RX ER initialization for STM targets

[akiroz]

Summary of changes

Fixes #15348

ST Nucleo MB1137: Signal not routed (Ref: DocID028599 Rev 7)

• TARGET_NUCLEO_F207ZG
• TARGET_NUCLEO_F429ZI
• TARGET_NUCLEO_F439ZI
• TARGET_NUCLEO_F746ZG
• TARGET_NUCLEO_F756ZG
• TARGET_NUCLEO_F767ZI

ST 32F746GDISCOVERY: RX_ER signal is on PB10/PI10 not PG2 (Ref: DocID027590 Rev 4)

• TARGET_DISCO_F746NG

ST 32F746GDISCOVERY: RX_ER signal is on PB10/PI10 not PD5 (Ref: DS11532 Rev 7)

• TARGET_DISCO_F769NI

ublox EVK-ODIN-W2: Signal not routed (Ref: UBX-16007132 - R07)

• TARGET_MODULE_UBLOX_ODIN_W2

Impact of changes

Migration actions required

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

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[ciarmcom]

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

[0xc0170]

CI started

[mbed-ci]

Test run: FAILED

Summary: 1 of 9 test jobs failed
Build number : 1
Build artifacts

Failed test jobs:

• jenkins-ci/mbed-os-ci_greentea-test-lts

[jeromecoutant]

Test run: FAILED

* jenkins-ci/mbed-os-ci_greentea-test-lts

All tests (including tests-netsocket-tcp/udp) are OK except tests-netsocket-tls
@0xc0170 is it possible something went wrong in the CI ?

[0xc0170]

I've seen it once in the last days, most likely local network hiccup, I'll restart and keep watching.

[mbed-ci]

Test run: FAILED

Summary: 1 of 9 test jobs failed
Build number : 2
Build artifacts

Failed test jobs:

• jenkins-ci/mbed-os-ci_example-test-lts

[jeromecoutant]

@akiroz Maybe you could propose a path on top of master ?
Thx

[jeromecoutant]

Test is failing in master branch...

@0xc0170 Is echo.mbedcloudtesting.com server still have the TLS port ?

[akiroz]

@akiroz Maybe you could propose a path on top of master ? Thx

@jeromecoutant Should I create a new PR for master if I want the changes in both mbed 5 and 6?

[0xc0170]

@jeromecoutant Should I create a new PR for master if I want the changes in both mbed 5 and 6?

Yes please

[mbed-ci]

Test run: FAILED

Summary: 1 of 9 test jobs failed
Build number : 3
Build artifacts

Failed test jobs:

• jenkins-ci/mbed-os-ci_example-test-lts

[saheerb]

@akiroz We will look into the jenkins-ci/example-test-lts failure. Mean while, could you please update the SPDX like in #15358

[akiroz]

SPDX identifiers added

Pull request has been modified.

[mbed-ci]

Test run: SUCCESS

Summary: 9 of 9 test jobs passed
Build number : 4
Build artifacts