Add LLVMSupport link lib.

This is needed when linking to CAPI libs with hidden visibility (or on other OS's that do not re-export static libs).

PiperOrigin-RevId: 389092380
Change-Id: I324aa73495ea9215918763a0ba542a3ab5470111
diff --git a/tensorflow/compiler/mlir/hlo/python/CMakeLists.txt b/tensorflow/compiler/mlir/hlo/python/CMakeLists.txt
index ed56273..39dade7 100644
--- a/tensorflow/compiler/mlir/hlo/python/CMakeLists.txt
+++ b/tensorflow/compiler/mlir/hlo/python/CMakeLists.txt
@@ -36,6 +36,8 @@
     ${CMAKE_CURRENT_SOURCE_DIR}/MlirHloModule.cpp
   EMBED_CAPI_LINK_LIBS
     MLIRHLOCAPIDialects
+  PRIVATE_LINK_LIBS
+    LLVMSupport
 )
 
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