Oneapi add compiler (#19330)

* enable flatcc to be built with gcc/9.X.X

* add static option for building libyogrt

* cleanup

* Initial working version

* rework new oneapi wrappers

* tested and removed my initials from source

* cleanup

* Update __init__.py

* remove whitespace

* working now with mods for testing, detection. Detection for oneapi is working, but entry needs to be modified to add link path for libimf.so. Cleared cruft for old Intel versions

* fixed some formatting

* cleanup

* flake8 cleanup

* flake8

* fixed syntax of compiler version detection tests

* fixed syntax of compiler version detection tests

	modified:   detection.py

* fix typo

* fixes for compilers tests

* remove erroneous tests for outdated -std= flags, remove ifx version check (output won't parse)

Co-authored-by: Frank Willmore <willmore@anl.gov>

lib/spack/env/oneapi/ifx

@@ -0,0 +1 @@
+../cc