ARM: amba: make probe() functions take const id tables

Make Primecell driver probe functions take a const pointer to their
ID tables.  Drivers should never modify their ID tables in their
probe handler.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index b7a6690..6568f4b 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -358,7 +358,7 @@
 	return 0;
 }
 
-static int pl031_probe(struct amba_device *adev, struct amba_id *id)
+static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
 {
 	int ret;
 	struct pl031_local *ldata;