lapack magma tpl fixes

[ndellingwood]

Fixes for 4.2.00, apply to patch release 4.2.01
See issue #2042

[ndellingwood]

Trilinos patch trilinos/Trilinos#12555

[ndellingwood]

Fails look like they're due to searching for release-candidate-4.2.01 branch of Kokkos (not created yet)

[ndellingwood]

These are the test results from Weaver (cuda/11.2, magma-2.7.2):

bash-4.4$ ./lapack/unit_test/KokkosKernels_lapack_cuda 
[==========] Running 3 tests from 1 test case.
[----------] Global test environment set-up.
[----------] 3 tests from Cuda
[ RUN      ] Cuda.gesv_double
[       OK ] Cuda.gesv_double (7740 ms)
[ RUN      ] Cuda.gesv_mrhs_double
[       OK ] Cuda.gesv_mrhs_double (350 ms)
[ RUN      ] Cuda.trtri_double
[       OK ] Cuda.trtri_double (462 ms)
[----------] 3 tests from Cuda (8552 ms total)

[----------] Global test environment tear-down
[==========] 3 tests from 1 test case ran. (8552 ms total)
[  PASSED  ] 3 tests.

[ndellingwood]

None of these changes will be hit by CI. Local testing confirms fix for magma (posted above). Going ahead with merge to release-candidate-4.2.01

[vqd8a]

@ndellingwood Thanks for doing this.