Fix compile error with MBED_MEM_TRACING_ENABLED and ARMC6

[ccli8]

Description

This is re-send of #6762. Somehow, merged version was overriden.

Pull request type

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

[0xc0170]

This is re-send of #6762. Somehow, merged version was overriden.

Thanks for noticing. This commit broke it 9041b47 (fyi @SenRamakri ).

[0xc0170]

/morph build

[mbed-ci]

Build : SUCCESS

Build number : 2311
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/7117/

Triggering tests

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

[mbed-ci]

Exporter Build : SUCCESS

Build number : 1934
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/7117/

[mbed-ci]

Test : FAILURE

Build number : 2090
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/7117/2090

[cmonr]

/morph test

[mbed-ci]

Test : FAILURE

Build number : 2100
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/7117/2100

[cmonr]

We're looking into some CI issues at the moment. The test will be restarted when the dust has settled.

[cmonr]

/morph test

[mbed-ci]

Test : SUCCESS

Build number : 2117
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/7117/2117