openfoam: OneAPI is only supported from 2106 onwards (#34797)

Also, adios2 fortran bindings are not necessary. This circumvents
https://github.com/spack/spack/issues/31817

Co-authored-by: Stephen Sachs <stesachs@amazon.com>

var/spack/repos/builtin/packages/openfoam/package.py

@@ -374,7 +374,7 @@ class Openfoam(Package):
     depends_on("parmgridgen", when="+mgridgen", type="build")
     depends_on("zoltan", when="+zoltan")
     depends_on("vtk", when="+vtk")
-    depends_on("adios2", when="@1912:")
+    depends_on("adios2~fortran", when="@1912:")
 
     # For OpenFOAM plugins and run-time post-processing this should just be
     # 'paraview+plugins' but that resolves poorly.
@@ -386,6 +386,9 @@ class Openfoam(Package):
     # 1612 plugins need older paraview
     depends_on("paraview@:5.0.1", when="@1612+paraview")
 
+    # Icx only support from v2106 onwards
+    conflicts("%oneapi", when="@:2012", msg="OneAPI compiler not supported. Try v2106 or greater.")
+
     # General patches
     common = ["spack-Allwmake", "README-spack"]
     assets = []  # type: List[str]