@Erik - Why do you want to regenerate the file? Mine has a similar time stamp but includes the 1.2 e.g.
ubuntu@ubuntu:~$ grep "Pi 4" /usr/share/flash-kernel/db/all.db
Machine: Raspberry Pi 4 Model B
Machine: Raspberry Pi 4 Model B Rev 1.1
Machine: Raspberry Pi 4 Model B Rev 1.2
@Erik - Why do you want to regenerate the file? Mine has a similar time stamp but includes the 1.2 e.g.
ubuntu@ubuntu:~$ grep "Pi 4" /usr/share/ flash-kernel/ db/all. db
Machine: Raspberry Pi 4 Model B
Machine: Raspberry Pi 4 Model B Rev 1.1
Machine: Raspberry Pi 4 Model B Rev 1.2