Follow my clover guide here
https://osxlatitude.com/forums/topic/8506-dell-latitude-inspiron-precision-vostro-xps-clover-guide/
YOu can use my generic EFI folder from the guide. For bootpack, copy Config.plist/ ACPI/ and Kexts folder from the link (debug files) and place it in /EFI/Clover
You should now have a bootable Installer for this system