[Bug 2019856] [NEW] Add missing ARM-cores to support Grace-based systems

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[Impact]
When running "lscpu" on a Grace-based system + Ubuntu 22.04, it doesn't report a model name:

Vendor ID: ARM
Model: 0

[Fix]
Adding the additional arm_part to sys-utils/lscpu-arm.c solves the problem. The commit below adds the specific codes missing from Jammy's version.

https://github.com/util-linux/util-
linux/commit/6857cccbb4157d5da34ca98f77a0ac9d68e1e740

[Evidence]
When upstream code is compiled, output of lscpu is correctly displayed:
Vendor ID: ARM
Model name: Neoverse-V2

[What Could Go Wrong]
The fix does not apply directly to Jammy's version, as other commits change sys-utils/lscpu-arm.c. The suggestion is only to add the missing arm_part to the list.

** Affects: util-linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: util-linux (Ubuntu Jammy)
     Importance: Undecided
     Assignee: Heather Lemon (hypothetical-lemon)
         Status: In Progress

** Affects: util-linux (Ubuntu Lunar)
     Importance: Undecided
     Assignee: Heather Lemon (hypothetical-lemon)
         Status: In Progress


** Tags: patch se-sponsor-mfo
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Add missing ARM-cores to support Grace-based systems
https://bugs.launchpad.net/bugs/2019856
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