[flang][OpenMP] Extend do concurrent mapping to device (#155987)

Upstreams further parts of `do concurrent` to OpenMP conversion pass
from AMD's fork. This PR extends the pass by adding support for mapping
to the device.

PR stack:
- llvm/llvm-project#155754
- llvm/llvm-project#155987 ◀️
- llvm/llvm-project#155992
- llvm/llvm-project#155993
- llvm/llvm-project#157638
- llvm/llvm-project#156610
- llvm/llvm-project#156837

Author: ergawy

flang/lib/Optimizer/OpenMP/CMakeLists.txt

@@ -26,6 +26,7 @@ add_flang_library(FlangOpenMPTransforms
   FIRSupport
   FortranSupport
   HLFIRDialect
+  FortranUtils
 
   MLIR_DEPS
   ${dialect_libs}