[LLVM] Add missing TargetParser link in FPBuiltinFnSelection (#14416)

#14339 moved the FPBuiltinFnSelection
pass, but post-commit testing is failing due to the Transform/Scalar
CMake not linking with TargetParser. This commit fixes this issue.

Signed-off-by: Larsen, Steffen <steffen.larsen@intel.com>

llvm/lib/Transforms/Scalar/CMakeLists.txt

@@ -98,4 +98,5 @@ add_llvm_component_library(LLVMScalarOpts
   InstCombine
   Support
   TransformUtils
+  TargetParser
   )