core/Makefile: Update Build Description

Description

core/Makefile: Update Build Description

Issue(s)

https://gitlab.e.foundation/e/devices/backlog/-/issues/74

Test environment

Make a build with the following parameters:

• DEVICES: FP4
• BRANCH: v1-r
• FEATURE_BRANCH: 5058-r-update_desc

FP3 - https://gitlab.e.foundation/e/priv/os/build/-/pipelines/169465

FP4 - https://gitlab.e.foundation/e/priv/os/build/-/pipelines/169466

Test procedures

• Install and see that the reference to the build number no longer exists.

Technical details

• Same patchset as we use on other android versions, just forward ported.

Check list

• Self review
• Test procedure explained
• Tested on fresh install
• Tested applied as an update
• License
• Internal documentation
• User documentation