Add QSPIF block device to default system storage

[marcuschangarm]

Description

Enables QSPIFBlockDevice to be used with the BlockDevice::get_default_instance API.

Pull request type

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

[0xc0170]

/morph build

[mbed-ci]

Build : SUCCESS

Build number : 3492
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/8563/

Triggering tests

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

[mbed-ci]

Exporter Build : FAILURE

Build number : 3110
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/8563/

[mbed-ci]

Test : FAILURE

Build number : 3277
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/8563/3277

[cmonr]

Test failure appears to be unrelated to PR. Restarting.
/morph test

Export failure due to IAR network license issues. Restarting.
/morph export-build

[mbed-ci]

Exporter Build : FAILURE

Build number : 3117
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/8563/

[mbed-ci]

Test : SUCCESS

Build number : 3284
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/8563/3284

[0xc0170]

/morph export-build
/morph mbed2-build

[mbed-ci]

Exporter Build : ABORTED

Build number : 3120
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/8563/

[cmonr]

An export node got stuck.
/morph export-build

[mbed-ci]

Exporter Build : SUCCESS

Build number : 3124
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/8563/

[adbridge]

This functionality is introduced as part of 5.11