Updating lib/firmware with the ones over https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 makes all the warning go away.
As per Bug 1847786: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1847786
Updating lib/firmware with the ones over https:/ /git.kernel. org/pub/ scm/linux/ kernel/ git/firmware/ linux-firmware. git/tree/ i915 makes all the warning go away.
As per Bug 1847786: /bugs.launchpad .net/ubuntu/ +source/ linux-firmware/ +bug/1847786
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