skip lupdate on device

selfdrive/ui/SConscript

@@ -74,12 +74,13 @@ translation_sources = [f"#selfdrive/ui/translations/{l}.ts" for l in languages.v
 translation_targets = [src.replace(".ts", ".qm") for src in translation_sources]
 lrelease_bin = 'third_party/qt5/larch64/bin/lrelease' if arch == 'larch64' else 'lrelease'
 
-lupdate = qt_env.Command(translation_sources, qt_src, "selfdrive/ui/update_translations.py")
 lrelease = qt_env.Command(translation_targets, translation_sources, f"{lrelease_bin} $SOURCES")
-qt_env.Depends(lrelease, lupdate)
+if arch != 'larch64':
-qt_env.NoClean(translation_sources)
+  lupdate = qt_env.Command(translation_sources, qt_src, "selfdrive/ui/update_translations.py")
-qt_env.Precious(translation_sources)
+  qt_env.Depends(lrelease, lupdate)
-qt_env.NoCache(lupdate)
+  qt_env.NoClean(translation_sources)
+  qt_env.Precious(translation_sources)
+  qt_env.NoCache(lupdate)
 
 # setup and factory resetter
 if GetOption('extras'):