gpio: pl061: constify amba_id

amba_id are not supposed to change at runtime. All functions
working with const amba_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

drivers/gpio/gpio-pl061.c

···
 };
 #endif
 
-static struct amba_id pl061_ids[] = {
+static const struct amba_id pl061_ids[] = {
 	{
 		.id	= 0x00041061,
 		.mask	= 0x000fffff,