Cleanup: CMake: Modernize bf_intern_clog dependencies

Pretty straightforward

- Remove any bf_intern_clog paths from INC
- Add a dependency though LIB when missing

context: https://devtalk.blender.org/t/cmake-cleanup/30260

Pull Request: https://projects.blender.org/blender/blender/pulls/115323

intern/clog/CMakeLists.txt

@@ -3,8 +3,7 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 set(INC
-  .
-  ../atomic
+  PUBLIC .
 )
 
 set(INC_SYS
@@ -19,9 +18,11 @@ set(SRC
 
 set(LIB
   PRIVATE bf::intern::guardedalloc
+  PRIVATE bf::intern::atomic
 )
 
 # Disabled for makesdna/makesrna.
 add_definitions(-DWITH_CLOG_PTHREADS)
 
 blender_add_lib(bf_intern_clog "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
+add_library(bf::intern::clog ALIAS bf_intern_clog)