Simplify the dependency for iree_bytecode_module.

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fe5e182..1067fb8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,7 +61,7 @@
 endif()
 
 #-------------------------------------------------------------------------------
-# Targets and Backends Configuration
+# Target and backend configuration
 #-------------------------------------------------------------------------------
 
 # List of all HAL drivers to be built by default:

build_tools/cmake/iree_bytecode_module.cmake

diff --git a/build_tools/cmake/iree_bytecode_module.cmake b/build_tools/cmake/iree_bytecode_module.cmake
index 8003b7d..5af5de2 100644
--- a/build_tools/cmake/iree_bytecode_module.cmake
+++ b/build_tools/cmake/iree_bytecode_module.cmake
@@ -66,23 +66,13 @@
   list(APPEND _ARGS "-o")
   list(APPEND _ARGS "${_RULE_NAME}.module")
 
-  if (CMAKE_CROSSCOMPILING)
-    # For cross compilation, we don't have a target for the translation tool
-    # to depend on: it is in another build root from a different CMake
-    # invocation. But we have a custom command for generating the translation
-    # tool for host. Depend on the file instead.
-    add_custom_command(
-      OUTPUT "${_RULE_NAME}.module"
-      COMMAND ${_TRANSLATE_TOOL_EXECUTABLE} ${_ARGS}
-      DEPENDS ${_TRANSLATE_TOOL_EXECUTABLE}
-    )
-  else()
-    add_custom_command(
-      OUTPUT "${_RULE_NAME}.module"
-      COMMAND ${_TRANSLATE_TOOL_EXECUTABLE} ${_ARGS}
-      DEPENDS ${_TRANSLATE_TOOL}
-    )
-  endif()
+  # Depending on the binary instead of the target here given we might not have
+  # a target in this CMake invocation when cross-compiling.
+  add_custom_command(
+    OUTPUT "${_RULE_NAME}.module"
+    COMMAND ${_TRANSLATE_TOOL_EXECUTABLE} ${_ARGS}
+    DEPENDS ${_TRANSLATE_TOOL_EXECUTABLE}
+  )
 
   if(_RULE_TESTONLY)
     set(_TESTONLY_ARG "TESTONLY")