CMake: use CLING_BINARY_DIR instead of LLVM_BINARY_DIR to configure ClingConfig.cmake

This fixes #12151.

Signed-off-by: Stephan Lachnit <[email protected]>
(cherry picked from commit 8a45c09)

Author: stephanlachnit

interpreter/cling/cmake/modules/CMakeLists.txt

@@ -2,7 +2,7 @@
 # link against them. LLVM calls its version of this file LLVMExports.cmake, but
 # the usual CMake convention seems to be ${Project}Targets.cmake.
 set(CLING_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/cling)
-set(cling_cmake_builddir "${LLVM_BINARY_DIR}/${CLING_INSTALL_PACKAGE_DIR}")
+set(cling_cmake_builddir "${CLING_BINARY_DIR}/${CLING_INSTALL_PACKAGE_DIR}")
 
 # Keep this in sync with llvm/cmake/CMakeLists.txt!
 set(LLVM_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm)