[llvm] [Offload] Update debug message printig in the plugins (PR #175205)

[Nick Sarnie via llvm-commits]

sarnex wrote:

@hansangbae Seeing a build failiure on our buildbot after this change:

```
FAILED: offload/plugins-nextgen/level_zero/CMakeFiles/omptarget.rtl.level_zero.dir/src/L0Memory.cpp.o 
/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DDEBUG_PREFIX="\"TARGET LEVEL_ZERO RTL\"" -DOMPT_SUPPORT=1 -DTARGET_NAME=LEVEL_ZERO -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/llvm/include -I/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/include -I/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src -I/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/plugins-nextgen/common/include -I/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload/plugins-nextgen/common/include -I/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/plugins-nextgen/level_zero/include -I/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/include -I/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17 -fPIC -UNDEBUG -fno-exceptions -funwind-tables -fno-rtti -Werror=global-constructors -MD -MT offload/plugins-nextgen/level_zero/CMakeFiles/omptarget.rtl.level_zero.dir/src/L0Memory.cpp.o -MF offload/plugins-nextgen/level_zero/CMakeFiles/omptarget.rtl.level_zero.dir/src/L0Memory.cpp.o.d -o offload/plugins-nextgen/level_zero/CMakeFiles/omptarget.rtl.level_zero.dir/src/L0Memory.cpp.o -c /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/plugins-nextgen/level_zero/src/L0Memory.cpp
/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/plugins-nextgen/level_zero/src/L0Memory.cpp:124:36: error: use of undeclared identifier 'AllocKindToStr'
  124 |                      << " for " << AllocKindToStr(AllocKind)
      |                                    ^~~~~~~~~~~~~~
/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/plugins-nextgen/level_zero/src/L0Memory.cpp:154:41: error: use of undeclared identifier 'AllocKindToStr'
  154 |   ODBG(OLDT_Alloc) << "Initialized " << AllocKindToStr(AllocKind)
      |                                         ^~~~~~~~~~~~~~
/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/plugins-nextgen/level_zero/src/L0Memory.cpp:318:56: error: use of undeclared identifier 'AllocKindToStr'
  318 |     ODBG(OLDT_Alloc) << "New block allocation for " << AllocKindToStr(AllocKind)
      |                                                        ^~~~~~~~~~~~~~
3 errors generated.
```

https://lab.llvm.org/staging/#/builders/225/builds/597

https://github.com/llvm/llvm-project/pull/175205