Fix target definition for NRF52 series

[marcuschangarm]

Description

• Removed RTC, NRF52840 doesn't support RTC API.
• Reorganized DEVICE_HAS order for NRF52832.

Pull request type

[x] Fix
[ ] Refactor
[ ] New target
[ ] Feature
[ ] Breaking change

[0xc0170]

How come RTC did not error if it was not supported? fallback to lp ticker?

[marcuschangarm]

How come RTC did not error if it was not supported? fallback to lp ticker?

The NRF52840_DK is not part of CI testing.

[0xc0170]

/morph build

[mbed-ci]

Build : SUCCESS

Build number : 2525
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/7405/

Triggering tests

/morph test
/morph uvisor-test
/morph export-build
/morph mbed2-build

[mbed-ci]

Exporter Build : SUCCESS

Build number : 2173
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/7405/

[mbed-ci]

Test : SUCCESS

Build number : 2287
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/7405/2287

[0Grit]

@marcuschangarm

The NRF52840_DK is not part of CI testing.

What is the holdup on making the 'PDK' Mbed official?
We still are having issues using daplink with it since it's not technically supported.

[marcuschangarm]

@studavekar

[cmonr]

@loverdeg-ep Fyi, I would suggest y'all create an issue since coments that appears on closed PRs receive little attention.