pcmcia: soc_common: constify pcmcia_low_level ops pointer

Constify the pcmcia_low_level operation pointer to soc_pcmcia_init_one()
which has no need to modify it.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
diff --git a/drivers/pcmcia/soc_common.h b/drivers/pcmcia/soc_common.h
index f66e2fb..7833eae 100644
--- a/drivers/pcmcia/soc_common.h
+++ b/drivers/pcmcia/soc_common.h
@@ -149,7 +149,7 @@
 extern void soc_common_pcmcia_get_timing(struct soc_pcmcia_socket *, struct soc_pcmcia_timing *);
 
 void soc_pcmcia_init_one(struct soc_pcmcia_socket *skt,
-	struct pcmcia_low_level *ops, struct device *dev);
+	const struct pcmcia_low_level *ops, struct device *dev);
 void soc_pcmcia_remove_one(struct soc_pcmcia_socket *skt);
 int soc_pcmcia_add_one(struct soc_pcmcia_socket *skt);
 int soc_pcmcia_request_gpiods(struct soc_pcmcia_socket *skt);