Bluetooth: Move {min,max}_key_size debugfs into hci_debugfs_create_le

mainline inclusion
from mainline-v5.6-rc1
commit 18f81241
category: bugfix
bugzilla: 1https://gitee.com/src-openeuler/kernel/issues/I917MX
CVE: CVE-2024-24860

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=18f81241b74fb49d576c83fbbab9a0b6e3bb20d4



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The debugfs entries for {min,max}_key_size are created during SMP
registration and thus it might lead to multiple attempts to create the
same entries. Avoid this by moving them to the LE controller init
section.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Liu Jian <liujian56@huawei.com>

Conflicts:
	net/bluetooth/hci_debugfs.c