sw:vec_iree: Fix microkernel breakage on unpack_tile

Fix the ukernel breakage due to
https://github.com/iree-org/iree/pull/12055

Change-Id: I518c947f19f2a6d35372417ee129b4dcfacba6e1

vmvx_ukernel/CMakeLists.txt

diff --git a/vmvx_ukernel/CMakeLists.txt b/vmvx_ukernel/CMakeLists.txt
index ccf6791..2dd48ec 100644
--- a/vmvx_ukernel/CMakeLists.txt
+++ b/vmvx_ukernel/CMakeLists.txt
@@ -7,6 +7,7 @@
     "${IREE_RUNTIME_SOURCE_DIR}/builtins/ukernel/api.h"
     "${IREE_RUNTIME_SOURCE_DIR}/builtins/ukernel/mmt4d_tile.h"
     "${IREE_RUNTIME_SOURCE_DIR}/builtins/ukernel/pack_tile.h"
+    "${IREE_RUNTIME_SOURCE_DIR}/builtins/ukernel/unpack_tile.h"
   SRCS
     "elementwise.c"
     "elementwise_impl.c.inc"
@@ -16,6 +17,7 @@
     "${IREE_RUNTIME_SOURCE_DIR}/builtins/ukernel/pack_tile.c"
     "${IREE_RUNTIME_SOURCE_DIR}/builtins/ukernel/query_tile_sizes.c"
     "${IREE_RUNTIME_SOURCE_DIR}/builtins/ukernel/unpack.c"
+    "${IREE_RUNTIME_SOURCE_DIR}/builtins/ukernel/unpack_tile.c"
   DEPS
     iree::builtins::ukernel::headers
   PUBLIC