parisc: pdc_stable: 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]>
Signed-off-by: Helge Deller <[e-mail]>

drivers/parisc/pdc_stable.c

···
 ATTRIBUTE_GROUPS(paths_subsys);
 
 /* Specific kobject type for our PDC paths */
-static struct kobj_type ktype_pdcspath = {
+static const struct kobj_type ktype_pdcspath = {
 	.sysfs_ops = &pdcspath_attr_ops,
 	.default_groups = paths_subsys_groups,
 };