Documentation: livepatch: Correct release locks antonym

"get" doesn't properly fit as an antonym for "release" in the context
of locking. Correct it with "acquire".

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20240903024753.104609-1-bagasdotme@gmail.com


Signed-off-by: Petr Mladek <pmladek@suse.com>