lockdep: Use info level for lockdep initial info messages

All those:
 Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
 ... MAX_LOCKDEP_SUBCLASSES:  8
 ... MAX_LOCK_DEPTH:          48
 ... MAX_LOCKDEP_KEYS:        8192
and so on are dumped with the KERN_WARNING level. It is due to missing
KERN_* annotation.

Use pr_info() instead of bare printk() to dump the info with the info
level.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Will Deacon <will@kernel.org>
Cc: Waiman Long <longman@redhat.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Waiman Long <longman@redhat.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://lore.kernel.org/r/20241007065457.20128-1-jirislaby@kernel.org