Put darwin10.h in the correct place.

llvm-svn: 62548
diff --git a/llvm-gcc-4.2/config/darwin10.h b/llvm-gcc-4.2/gcc/config/darwin10.h
similarity index 100%
rename from llvm-gcc-4.2/config/darwin10.h
rename to llvm-gcc-4.2/gcc/config/darwin10.h