Support for BLOCK2 blockwise messages GET request handling

[anttiylitokola]

• Implements CoAP part of IOTUPD-2326

Description

Support for sending BLOCK2 GET request. This change is needed to get FW update over CoAP feature to work.

Status

READY

[0xc0170]

@anttiylitokola Who should review this changeset, @yogpan01 ?

[anttiylitokola]

Also @Jekaah should do the review

[Jekaah]

LGTM

[0xc0170]

/morph build

[mbed-ci]

Build : SUCCESS

Build number : 832
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/5811/

Triggering tests

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

[mbed-ci]

Test : FAILURE

Build number : 672
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/5811/672

[mbed-ci]

Exporter Build : FAILURE

Build number : 494
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/5811/

[0xc0170]

/morph test
/morph export-build

[mbed-ci]

Exporter Build : SUCCESS

Build number : 498
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/5811/

[mbed-ci]

Test : SUCCESS

Build number : 676
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/5811/676