ASoC: SOF: ext_manifest: parse firmware version

ASoC: SOF: ext_manifest: parse firmware version

The firmware version can be extracted from the extended
manifest content. This information known at build time
does not need to be provided in a mailbox.

Signed-off-by: Karol Trzcinski <[email protected]>
Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Reviewed-by: Kai Vehmanen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>