x86/platform/uv: Make kobj_type structure constant

Since commit ee6d3dd ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.

Take advantage of this to constify the structure definition to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Justin Ernst <justin.ernst@hpe.com>
Link: https://lore.kernel.org/r/20230207-kobj_type-pdx86-v1-3-8e2c4fb83105@weissschuh.net
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

drivers/platform/x86/uv_sysfs.c

@@ -203,7 +203,7 @@ static const struct sysfs_ops hub_sysfs_ops = {
 	.show = hub_type_show,
 };
 
-static struct kobj_type hub_attr_type = {
+static const struct kobj_type hub_attr_type = {
 	.release	= hub_release,
 	.sysfs_ops	= &hub_sysfs_ops,
 	.default_groups	= uv_hub_groups,
@@ -356,7 +356,7 @@ static const struct sysfs_ops uv_port_sysfs_ops = {
 	.show = uv_port_type_show,
 };
 
-static struct kobj_type uv_port_attr_type = {
+static const struct kobj_type uv_port_attr_type = {
 	.release	= uv_port_release,
 	.sysfs_ops	= &uv_port_sysfs_ops,
 	.default_groups	= uv_port_groups,
@@ -528,7 +528,7 @@ static const struct sysfs_ops uv_pci_top_sysfs_ops = {
 	.show = pci_top_type_show,
 };
 
-static struct kobj_type uv_pci_top_attr_type = {
+static const struct kobj_type uv_pci_top_attr_type = {
 	.release	= uv_pci_top_release,
 	.sysfs_ops	= &uv_pci_top_sysfs_ops,
 };