cxl: Constify struct kobj_type

This 'struct kobj_type' is not modified. It is only used in
kobject_init_and_add() which takes a 'const struct kobj_type *ktype'
parameter.

Constifying this structure and moving it to a read-only section,
and can increase over all security.

Signed-off-by: Hongbo Li <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/misc/cxl/sysfs.c

···
 	kfree(cr);
 }
 
-static struct kobj_type afu_config_record_type = {
+static const struct kobj_type afu_config_record_type = {
 	.sysfs_ops = &kobj_sysfs_ops,
 	.release = release_afu_config_record,
 	.default_groups = afu_cr_groups,