[llvm] [DWARFLinker][NFC] Rename libraries to match with directories name. (PR #77592)

[Nico Weber via llvm-commits]

================
@@ -1,11 +1,11 @@
-add_llvm_component_library(LLVMDWARFLinker
+add_llvm_component_library(LLVMDWARFLinkerClassic
   DWARFLinkerCompileUnit.cpp
   DWARFLinkerDeclContext.cpp
   DWARFLinker.cpp
   DWARFStreamer.cpp
 
   ADDITIONAL_HEADER_DIRS
-  ${LLVM_MAIN_INCLUDE_DIR}/llvm/DWARFLinker
+  ${LLVM_MAIN_INCLUDE_DIR}/llvm/DWARFLinker/Classic
----------------
nico wrote:

unrelated; maybe this line isn't needed at all?

https://github.com/llvm/llvm-project/pull/77592