spi: pl022: 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: Mark Brown <[e-mail]>

drivers/spi/spi-pl022.c

···
 	.internal_cs_ctrl = true,
 };
 
-static struct amba_id pl022_ids[] = {
+static const struct amba_id pl022_ids[] = {
 	{
 		/*
 		 * ARM PL022 variant, this has a 16bit wide