kobject: modify kobject_get_path() to take a const *

kobject: modify kobject_get_path() to take a const *

[ Upstream commit 1586b5f07162d1b57cd17db08bae3ac6fa7b40b4 ]

kobject_get_path() does not modify the kobject passed to it, so make the
pointer constant.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20221001165315.2690141-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 6bf096006cc8 ("kobject: Fix slab-out-of-bounds in fill_kobj_path()")
Signed-off-by: Sasha Levin <sashal@kernel.org>