[Bug 2111723] Re: lscpu wrong core report and Model name is unkown

[Andreas Glinserer]

After talking with the SRU team, the following information is required
as well:

our hash in this snippet refers to the ubuntu/devel commit when the information was added.
```
upstream hash:2f8e40ceaf93c7beca4cd977d719b75629b5c14c
upstream commit: lscpu: New Arm Cortex part numbers
our hash: 00ed4249f
our commit: 2.40.2-1 (patches unapplied)

upstream hash 504711a9f415e87e125fa20cf507908d438fc5f3
upstream commit: lscpu: use CPU types de-duplication
our hash: fb8cf0224
our commit: 2.41~rc1-1 (patches unapplied)

upstream hash: c221fa0d424b9e95deea52f725d3a3ddf51a11ba
upstream commit: tests: update lscpu vmware_fpe output
our hash: fb8cf0224
our commit: 2.41~rc1-1 (patches unapplied)

upstream hash: cf7fc25010e8a2bbe7233e1373d8f4f73776c1b8
upstream commit: tests: add dump from ARM with A510+A710+A715+X3
our hash: fb8cf0224
our commit: 2.41~rc1-1 (patches unapplied)
```

Edit: formatting

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https://bugs.launchpad.net/bugs/2111723

Title:
  lscpu wrong core report and Model name is unkown

Status in util-linux package in Ubuntu:
  New
Status in util-linux source package in Noble:
  In Progress
Status in util-linux source package in Oracular:
  In Progress
Status in util-linux source package in Plucky:
  In Progress
Status in util-linux source package in Questing:
  New

Bug description:
  [ Impact ]

  This patch fixes the Model Name as well as the grouping of the cpus
  to achieve a correct core per socket count.

  This upload fixes this bug by applying the upstream patches to the
  branch in question. Regression tests from upstream run successfully.
  The following commits are included as a single patch (all from
  https://github.com/util-linux/util-linux):
  - a596a441ac6ef90d5fdfa14830d5c3c88885e4ec
  - b699f6ffa3f4d4188993647299e42b087fadfa58
  - eb6514b4c2618ff68abbafd36fc3520beed87812
  - 7a136d595f1b3b48128afdb9bd110a40aec771af

  [ Test Plan ]

  To reproduce issue `lscpu` on an nvidia arm platform. The output
  differs from what it should be according to the attached files
  `lscpu.bad` and `lscpu.good`.

  [ Where problems could occur ]

  This is a backport from upstream, so risk should be minimal.
  The modified functions are only used in files relevant for the
  lscpu command so other binaries provided by this package are
  uninvolved.

  If however a regression occurs, this could lead to lscpu being
  nonfunctional or showing wrong/invalid information.

  [ Other Info ]

  Link to ppa:
  https://launchpad.net/~aglinserer/+archive/ubuntu/lp2111723

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