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/spi/amba-pl022.c b/drivers/spi/amba-pl022.c
index 71a1219..95e58c7 100644
--- a/drivers/spi/amba-pl022.c
+++ b/drivers/spi/amba-pl022.c
@@ -2021,7 +2021,7 @@
 
 
 static int __devinit
-pl022_probe(struct amba_device *adev, struct amba_id *id)
+pl022_probe(struct amba_device *adev, const struct amba_id *id)
 {
 	struct device *dev = &adev->dev;
 	struct pl022_ssp_controller *platform_info = adev->dev.platform_data;