[ARM] Add dependency on GlobalISel for unit tests to fix shared libs build

The unit test uses GlobalISel but the dependency is not listed in the
CMakeLists.txt file which causes failures in shared libs build with GCC.

This just adds the dependency.

Differential revision: https://reviews.llvm.org/D69064


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375346 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Target/ARM/CMakeLists.txt b/unittests/Target/ARM/CMakeLists.txt
index 443c525..1634c8c 100644
--- a/unittests/Target/ARM/CMakeLists.txt
+++ b/unittests/Target/ARM/CMakeLists.txt
@@ -8,6 +8,7 @@
   ARMDesc
   ARMInfo
   CodeGen
+  GlobalISel
   MC
   SelectionDAG
   Support