Markus Armbruster 6129803b55 qemu-options: Factor out get_opt_name_value() helper
The next commits will put it to use.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200415074927.19897-3-armbru@redhat.com>
2020-04-29 08:01:51 +02:00
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