Add ovni to OpenMP-V

Allows building OpenMP-V with ovni support, which is neccessary to run
the runtime tests of OpenMP-V in ovni.

Reviewed-by: Aleix Roca Nonell <aleix.rocanonell@bsc.es>
Reviewed-by: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
Tested-by: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>

pkgs/llvm-ompss2/openmp.nix

@@ -9,10 +9,14 @@
 , pkg-config
 , version
 , nosv
+, ovni
 , enableNosv ? false
 , enableDebug ? false
+, enableOvni ? false
 }:
 
+assert enableOvni -> enableNosv;
+
 let
   stdenv = llvmPackages_latest.stdenv;
 in
@@ -35,6 +39,8 @@ stdenv.mkDerivation rec {
     pkg-config
   ] ++ lib.optionals enableNosv [
     nosv
+  ] ++ lib.optionals enableOvni [
+    ovni
   ];
 
   doCheck = false;