This is for the convenience of user who uses custom firmware and company who deploy updated firmware. Without the /lib/firmware/updates directory, if user want to use custom firmware, he has to replace the /lib/firmware files or create a directory for each kernel version.
This is for the convenience of user who uses custom firmware and company who deploy updated firmware. Without the /lib/firmware/ updates directory, if user want to use custom firmware, he has to replace the /lib/firmware files or create a directory for each kernel version.