Staging: rtl8192e: Rename function rtllib_MgntDisconnect()

Rename function rtllib_MgntDisconnect to rtllib_mgnt_disconnect fix checkpatch
warning Avoid CamelCase.

Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-10-tdavies@darkphysics.net


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>