Add HIP support for HYPRE

[abisner]

~Added FindHYPRE cmake for autotools install in lieu of available CMake installation.~

Uses pkgconfig instead in lieu of available CMake installation

[abisner]

This PR adds a FindHYPRE cmake to be used in the case of Kokkos HIP builds, in which there is currently no supported CMake installation method for hypre builds on AMD.

[streeve]

Okay @junghans failure here is finally just missing the right target "pkgconfig:PC_HYPRE" does not already exist.

[streeve]

@junghans I tried some more in a container, but I don't see any pkg-config content from hypre anywhere.. If we point to that correctly I think it will finally work

[streeve]

Now blocked by #697

[streeve]

Should be able to close/replace once https://github.com/hypre-space/hypre/tree/cmake-hip is merged @victorapm

[junghans]

Should be able to close/replace once https://github.com/hypre-space/hypre/tree/cmake-hip is merged @victorapm

This was merged, so let's close.

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 96.5%. Comparing base (fa9e58a) to head (45b7be6). :warning: Report is 242 commits behind head on master.

Additional details and impacted files

@@          Coverage Diff           @@
##           master    #658   +/-   ##
======================================
  Coverage    96.5%   96.5%           
======================================
  Files          89      89           
  Lines       15321   15321           
======================================
  Hits        14790   14790           
  Misses        531     531           

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