clang: use LLVM_LIBDIR_SUFFIX variable

* it was added here in 7836278, but it's also
  defined in clang.inc since 98a9122

Signed-off-by: Martin Jansa <[email protected]>

Author: shr-project

recipes-devtools/clang/clang_git.bb

@@ -207,7 +207,7 @@ EXTRA_OECMAKE:append:class-target = "\
                   -DLLVM_HOST_TRIPLE=${TARGET_SYS}${HF} \
                   -DPYTHON_LIBRARY=${STAGING_LIBDIR}/lib${PYTHON_DIR}${PYTHON_ABI}.so \
                   -DPYTHON_INCLUDE_DIR=${STAGING_INCDIR}/${PYTHON_DIR}${PYTHON_ABI} \
-                  -DLLVM_LIBDIR_SUFFIX=${@d.getVar('baselib').replace('lib', '')} \
+                  -DLLVM_LIBDIR_SUFFIX=${LLVM_LIBDIR_SUFFIX} \
                   -DLLDB_PYTHON_RELATIVE_PATH=${PYTHON_SITEPACKAGES_DIR} \
                   -DLLDB_PYTHON_EXE_RELATIVE_PATH=${bindir} \
                   -DLLDB_PYTHON_EXT_SUFFIX=${SOLIBSDEV} \