gollvm: cmake dependency fix for passes

The gollvm passes library needs to have a dependency on 'intrinsics_gen',
since it includes headers that pull in the generated Intrinsics.inc (without
this you can sometimes get build failures from a clean dir).

Change-Id: I7a7ea88427c5534b212f9f6fb7d6dc121f6ba657
Reviewed-on: https://go-review.googlesource.com/c/162901
Reviewed-by: Cherry Zhang <cherryyz@google.com>
diff --git a/passes/CMakeLists.txt b/passes/CMakeLists.txt
index 1a65572..86bc6df 100644
--- a/passes/CMakeLists.txt
+++ b/passes/CMakeLists.txt
@@ -12,4 +12,6 @@
   GoStatepoints.cpp
   RemoveAddrSpace.cpp
   Util.cpp
+
+  DEPENDS intrinsics_gen
 )