[AMDGPU] Fix dependency on `BinaryFormat`

Summary: - The linking is broken when this library is built as shared one.

Subscribers: arsenm, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59610

llvm-svn: 356617