pcmcia: Make declaration and uses of struct pcmcia_device_id const

Const allows tables to be moved into text sections.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/include/pcmcia/ds.h b/include/pcmcia/ds.h
index 3fd5064..7b82080 100644
--- a/include/pcmcia/ds.h
+++ b/include/pcmcia/ds.h
@@ -56,7 +56,7 @@
 	int (*resume)		(struct pcmcia_device *dev);
 
 	struct module		*owner;
-	struct pcmcia_device_id	*id_table;
+	const struct pcmcia_device_id	*id_table;
 	struct device_driver	drv;
 	struct pcmcia_dynids	dynids;
 };